18980060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 96

約数和(自身を含む): 47222784

約数和(自身を除く): 28242724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 31, 44, 46, 55, 62, 92, 110, 115, 121, 124, 155, 220, 230, 242, 253, 310, 341, 460, 484, 506, 605, 620, 682, 713, 1012, 1210, 1265, 1331, 1364, 1426, 1705, 2420, 2530, 2662, 2783, 2852, 3410, 3565, 3751, 5060, 5324, 5566, 6655, 6820, 7130, 7502, 7843, 11132, 13310, 13915, 14260, 15004, 15686, 18755, 26620, 27830, 30613, 31372, 37510, 39215, 41261, 55660, 61226, 75020, 78430, 82522, 86273, 122452, 153065, 156860, 165044, 172546, 206305, 306130, 345092, 412610, 431365, 612260, 825220, 862730, 949003, 1725460, 1898006, 3796012, 4745015, 9490030, 18980060]

約数ペア:

[(1, 18980060), (2, 9490030), (4, 4745015), (5, 3796012), (10, 1898006), (11, 1725460), (20, 949003), (22, 862730), (23, 825220), (31, 612260), (44, 431365), (46, 412610), (55, 345092), (62, 306130), (92, 206305), (110, 172546), (115, 165044), (121, 156860), (124, 153065), (155, 122452), (220, 86273), (230, 82522), (242, 78430), (253, 75020), (310, 61226), (341, 55660), (460, 41261), (484, 39215), (506, 37510), (605, 31372), (620, 30613), (682, 27830), (713, 26620), (1012, 18755), (1210, 15686), (1265, 15004), (1331, 14260), (1364, 13915), (1426, 13310), (1705, 11132), (2420, 7843), (2530, 7502), (2662, 7130), (2783, 6820), (2852, 6655), (3410, 5566), (3565, 5324), (3751, 5060)]