18643520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 168

約数和(自身を含む): 54726840

約数和(自身を除く): 36083320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 41, 49, 56, 58, 64, 70, 80, 82, 98, 112, 116, 140, 145, 160, 164, 196, 203, 205, 224, 232, 245, 280, 287, 290, 320, 328, 392, 406, 410, 448, 464, 490, 560, 574, 580, 656, 784, 812, 820, 928, 980, 1015, 1120, 1148, 1160, 1189, 1312, 1421, 1435, 1568, 1624, 1640, 1856, 1960, 2009, 2030, 2240, 2296, 2320, 2378, 2624, 2842, 2870, 3136, 3248, 3280, 3920, 4018, 4060, 4592, 4640, 4756, 5684, 5740, 5945, 6496, 6560, 7105, 7840, 8036, 8120, 8323, 9184, 9280, 9512, 10045, 11368, 11480, 11890, 12992, 13120, 14210, 15680, 16072, 16240, 16646, 18368, 19024, 20090, 22736, 22960, 23780, 28420, 32144, 32480, 33292, 38048, 40180, 41615, 45472, 45920, 47560, 56840, 58261, 64288, 64960, 66584, 76096, 80360, 83230, 90944, 91840, 95120, 113680, 116522, 128576, 133168, 160720, 166460, 190240, 227360, 233044, 266336, 291305, 321440, 332920, 380480, 454720, 466088, 532672, 582610, 642880, 665840, 932176, 1165220, 1331680, 1864352, 2330440, 2663360, 3728704, 4660880, 9321760, 18643520]

約数ペア:

[(1, 18643520), (2, 9321760), (4, 4660880), (5, 3728704), (7, 2663360), (8, 2330440), (10, 1864352), (14, 1331680), (16, 1165220), (20, 932176), (28, 665840), (29, 642880), (32, 582610), (35, 532672), (40, 466088), (41, 454720), (49, 380480), (56, 332920), (58, 321440), (64, 291305), (70, 266336), (80, 233044), (82, 227360), (98, 190240), (112, 166460), (116, 160720), (140, 133168), (145, 128576), (160, 116522), (164, 113680), (196, 95120), (203, 91840), (205, 90944), (224, 83230), (232, 80360), (245, 76096), (280, 66584), (287, 64960), (290, 64288), (320, 58261), (328, 56840), (392, 47560), (406, 45920), (410, 45472), (448, 41615), (464, 40180), (490, 38048), (560, 33292), (574, 32480), (580, 32144), (656, 28420), (784, 23780), (812, 22960), (820, 22736), (928, 20090), (980, 19024), (1015, 18368), (1120, 16646), (1148, 16240), (1160, 16072), (1189, 15680), (1312, 14210), (1421, 13120), (1435, 12992), (1568, 11890), (1624, 11480), (1640, 11368), (1856, 10045), (1960, 9512), (2009, 9280), (2030, 9184), (2240, 8323), (2296, 8120), (2320, 8036), (2378, 7840), (2624, 7105), (2842, 6560), (2870, 6496), (3136, 5945), (3248, 5740), (3280, 5684), (3920, 4756), (4018, 4640), (4060, 4592)]