18913440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:471

約数の個数: 192

約数和(自身を含む): 73495296

約数和(自身を除く): 54581856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 433, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 866, 910, 1040, 1092, 1120, 1248, 1299, 1365, 1456, 1560, 1680, 1732, 1820, 2080, 2165, 2184, 2598, 2730, 2912, 3031, 3120, 3360, 3464, 3640, 4330, 4368, 5196, 5460, 5629, 6062, 6240, 6495, 6928, 7280, 8660, 8736, 9093, 10392, 10920, 11258, 12124, 12990, 13856, 14560, 15155, 16887, 17320, 18186, 20784, 21840, 22516, 24248, 25980, 28145, 30310, 33774, 34640, 36372, 39403, 41568, 43680, 45032, 45465, 48496, 51960, 56290, 60620, 67548, 69280, 72744, 78806, 84435, 90064, 90930, 96992, 103920, 112580, 118209, 121240, 135096, 145488, 157612, 168870, 180128, 181860, 197015, 207840, 225160, 236418, 242480, 270192, 290976, 315224, 337740, 363720, 394030, 450320, 472836, 484960, 540384, 591045, 630448, 675480, 727440, 788060, 900640, 945672, 1182090, 1260896, 1350960, 1454880, 1576120, 1891344, 2364180, 2701920, 3152240, 3782688, 4728360, 6304480, 9456720, 18913440]

約数ペア:

[(1, 18913440), (2, 9456720), (3, 6304480), (4, 4728360), (5, 3782688), (6, 3152240), (7, 2701920), (8, 2364180), (10, 1891344), (12, 1576120), (13, 1454880), (14, 1350960), (15, 1260896), (16, 1182090), (20, 945672), (21, 900640), (24, 788060), (26, 727440), (28, 675480), (30, 630448), (32, 591045), (35, 540384), (39, 484960), (40, 472836), (42, 450320), (48, 394030), (52, 363720), (56, 337740), (60, 315224), (65, 290976), (70, 270192), (78, 242480), (80, 236418), (84, 225160), (91, 207840), (96, 197015), (104, 181860), (105, 180128), (112, 168870), (120, 157612), (130, 145488), (140, 135096), (156, 121240), (160, 118209), (168, 112580), (182, 103920), (195, 96992), (208, 90930), (210, 90064), (224, 84435), (240, 78806), (260, 72744), (273, 69280), (280, 67548), (312, 60620), (336, 56290), (364, 51960), (390, 48496), (416, 45465), (420, 45032), (433, 43680), (455, 41568), (480, 39403), (520, 36372), (546, 34640), (560, 33774), (624, 30310), (672, 28145), (728, 25980), (780, 24248), (840, 22516), (866, 21840), (910, 20784), (1040, 18186), (1092, 17320), (1120, 16887), (1248, 15155), (1299, 14560), (1365, 13856), (1456, 12990), (1560, 12124), (1680, 11258), (1732, 10920), (1820, 10392), (2080, 9093), (2165, 8736), (2184, 8660), (2598, 7280), (2730, 6928), (2912, 6495), (3031, 6240), (3120, 6062), (3360, 5629), (3464, 5460), (3640, 5196), (4330, 4368)]