18393830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 45722880

約数和(自身を除く): 27329050

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 29, 34, 35, 41, 58, 65, 70, 82, 85, 91, 119, 130, 145, 170, 182, 203, 205, 221, 238, 287, 290, 377, 406, 410, 442, 455, 493, 533, 574, 595, 697, 754, 910, 986, 1015, 1066, 1105, 1189, 1190, 1394, 1435, 1547, 1885, 2030, 2210, 2378, 2465, 2639, 2665, 2870, 3094, 3451, 3485, 3731, 3770, 4879, 4930, 5278, 5330, 5945, 6409, 6902, 6970, 7462, 7735, 8323, 9061, 9758, 11890, 12818, 13195, 15457, 15470, 16646, 17255, 18122, 18655, 20213, 24395, 26390, 30914, 32045, 34510, 37310, 40426, 41615, 44863, 45305, 48790, 63427, 64090, 77285, 83230, 89726, 90610, 101065, 108199, 126854, 141491, 154570, 202130, 216398, 224315, 262769, 282982, 317135, 448630, 525538, 540995, 634270, 707455, 1081990, 1313845, 1414910, 1839383, 2627690, 3678766, 9196915, 18393830]

約数ペア:

[(1, 18393830), (2, 9196915), (5, 3678766), (7, 2627690), (10, 1839383), (13, 1414910), (14, 1313845), (17, 1081990), (26, 707455), (29, 634270), (34, 540995), (35, 525538), (41, 448630), (58, 317135), (65, 282982), (70, 262769), (82, 224315), (85, 216398), (91, 202130), (119, 154570), (130, 141491), (145, 126854), (170, 108199), (182, 101065), (203, 90610), (205, 89726), (221, 83230), (238, 77285), (287, 64090), (290, 63427), (377, 48790), (406, 45305), (410, 44863), (442, 41615), (455, 40426), (493, 37310), (533, 34510), (574, 32045), (595, 30914), (697, 26390), (754, 24395), (910, 20213), (986, 18655), (1015, 18122), (1066, 17255), (1105, 16646), (1189, 15470), (1190, 15457), (1394, 13195), (1435, 12818), (1547, 11890), (1885, 9758), (2030, 9061), (2210, 8323), (2378, 7735), (2465, 7462), (2639, 6970), (2665, 6902), (2870, 6409), (3094, 5945), (3451, 5330), (3485, 5278), (3731, 4930), (3770, 4879)]