18951240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:332

約数の個数: 192

約数和(自身を含む): 72394560

約数和(自身を除く): 53443320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 293, 294, 308, 330, 385, 392, 420, 440, 462, 490, 539, 586, 588, 616, 660, 735, 770, 840, 879, 924, 980, 1078, 1155, 1172, 1176, 1320, 1465, 1470, 1540, 1617, 1758, 1848, 1960, 2051, 2156, 2310, 2344, 2695, 2930, 2940, 3080, 3223, 3234, 3516, 4102, 4312, 4395, 4620, 5390, 5860, 5880, 6153, 6446, 6468, 7032, 8085, 8204, 8790, 9240, 9669, 10255, 10780, 11720, 12306, 12892, 12936, 14357, 16115, 16170, 16408, 17580, 19338, 20510, 21560, 22561, 24612, 25784, 28714, 30765, 32230, 32340, 35160, 38676, 41020, 43071, 45122, 48345, 49224, 57428, 61530, 64460, 64680, 67683, 71785, 77352, 82040, 86142, 90244, 96690, 112805, 114856, 123060, 128920, 135366, 143570, 157927, 172284, 180488, 193380, 215355, 225610, 246120, 270732, 287140, 315854, 338415, 344568, 386760, 430710, 451220, 473781, 541464, 574280, 631708, 676830, 789635, 861420, 902440, 947562, 1263416, 1353660, 1579270, 1722840, 1895124, 2368905, 2707320, 3158540, 3790248, 4737810, 6317080, 9475620, 18951240]

約数ペア:

[(1, 18951240), (2, 9475620), (3, 6317080), (4, 4737810), (5, 3790248), (6, 3158540), (7, 2707320), (8, 2368905), (10, 1895124), (11, 1722840), (12, 1579270), (14, 1353660), (15, 1263416), (20, 947562), (21, 902440), (22, 861420), (24, 789635), (28, 676830), (30, 631708), (33, 574280), (35, 541464), (40, 473781), (42, 451220), (44, 430710), (49, 386760), (55, 344568), (56, 338415), (60, 315854), (66, 287140), (70, 270732), (77, 246120), (84, 225610), (88, 215355), (98, 193380), (105, 180488), (110, 172284), (120, 157927), (132, 143570), (140, 135366), (147, 128920), (154, 123060), (165, 114856), (168, 112805), (196, 96690), (210, 90244), (220, 86142), (231, 82040), (245, 77352), (264, 71785), (280, 67683), (293, 64680), (294, 64460), (308, 61530), (330, 57428), (385, 49224), (392, 48345), (420, 45122), (440, 43071), (462, 41020), (490, 38676), (539, 35160), (586, 32340), (588, 32230), (616, 30765), (660, 28714), (735, 25784), (770, 24612), (840, 22561), (879, 21560), (924, 20510), (980, 19338), (1078, 17580), (1155, 16408), (1172, 16170), (1176, 16115), (1320, 14357), (1465, 12936), (1470, 12892), (1540, 12306), (1617, 11720), (1758, 10780), (1848, 10255), (1960, 9669), (2051, 9240), (2156, 8790), (2310, 8204), (2344, 8085), (2695, 7032), (2930, 6468), (2940, 6446), (3080, 6153), (3223, 5880), (3234, 5860), (3516, 5390), (4102, 4620), (4312, 4395)]