18471288

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 54282240

約数和(自身を除く): 35810952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 37, 44, 61, 62, 66, 74, 88, 93, 111, 122, 124, 132, 148, 183, 186, 222, 244, 248, 264, 296, 341, 366, 372, 407, 444, 488, 671, 682, 732, 744, 814, 888, 1023, 1147, 1221, 1342, 1364, 1464, 1628, 1891, 2013, 2046, 2257, 2294, 2442, 2684, 2728, 3256, 3441, 3782, 4026, 4092, 4514, 4588, 4884, 5368, 5673, 6771, 6882, 7564, 8052, 8184, 9028, 9176, 9768, 11346, 12617, 13542, 13764, 15128, 16104, 18056, 20801, 22692, 24827, 25234, 27084, 27528, 37851, 41602, 45384, 49654, 50468, 54168, 62403, 69967, 74481, 75702, 83204, 99308, 100936, 124806, 139934, 148962, 151404, 166408, 198616, 209901, 249612, 279868, 297924, 302808, 419802, 499224, 559736, 595848, 769637, 839604, 1539274, 1679208, 2308911, 3078548, 4617822, 6157096, 9235644, 18471288]

約数ペア:

[(1, 18471288), (2, 9235644), (3, 6157096), (4, 4617822), (6, 3078548), (8, 2308911), (11, 1679208), (12, 1539274), (22, 839604), (24, 769637), (31, 595848), (33, 559736), (37, 499224), (44, 419802), (61, 302808), (62, 297924), (66, 279868), (74, 249612), (88, 209901), (93, 198616), (111, 166408), (122, 151404), (124, 148962), (132, 139934), (148, 124806), (183, 100936), (186, 99308), (222, 83204), (244, 75702), (248, 74481), (264, 69967), (296, 62403), (341, 54168), (366, 50468), (372, 49654), (407, 45384), (444, 41602), (488, 37851), (671, 27528), (682, 27084), (732, 25234), (744, 24827), (814, 22692), (888, 20801), (1023, 18056), (1147, 16104), (1221, 15128), (1342, 13764), (1364, 13542), (1464, 12617), (1628, 11346), (1891, 9768), (2013, 9176), (2046, 9028), (2257, 8184), (2294, 8052), (2442, 7564), (2684, 6882), (2728, 6771), (3256, 5673), (3441, 5368), (3782, 4884), (4026, 4588), (4092, 4514)]