17942540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 47996928

約数和(自身を除く): 30054388

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 191, 220, 244, 305, 308, 382, 385, 427, 610, 671, 764, 770, 854, 955, 1220, 1337, 1342, 1540, 1708, 1910, 2101, 2135, 2674, 2684, 3355, 3820, 4202, 4270, 4697, 5348, 6685, 6710, 8404, 8540, 9394, 10505, 11651, 13370, 13420, 14707, 18788, 21010, 23302, 23485, 26740, 29414, 42020, 46604, 46970, 58255, 58828, 73535, 81557, 93940, 116510, 128161, 147070, 163114, 233020, 256322, 294140, 326228, 407785, 512644, 640805, 815570, 897127, 1281610, 1631140, 1794254, 2563220, 3588508, 4485635, 8971270, 17942540]

約数ペア:

[(1, 17942540), (2, 8971270), (4, 4485635), (5, 3588508), (7, 2563220), (10, 1794254), (11, 1631140), (14, 1281610), (20, 897127), (22, 815570), (28, 640805), (35, 512644), (44, 407785), (55, 326228), (61, 294140), (70, 256322), (77, 233020), (110, 163114), (122, 147070), (140, 128161), (154, 116510), (191, 93940), (220, 81557), (244, 73535), (305, 58828), (308, 58255), (382, 46970), (385, 46604), (427, 42020), (610, 29414), (671, 26740), (764, 23485), (770, 23302), (854, 21010), (955, 18788), (1220, 14707), (1337, 13420), (1342, 13370), (1540, 11651), (1708, 10505), (1910, 9394), (2101, 8540), (2135, 8404), (2674, 6710), (2684, 6685), (3355, 5348), (3820, 4697), (4202, 4270)]