19742730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2293}}^1$

素因数の和:2351

約数の個数: 64

約数和(自身を含む): 55496448

約数和(自身を除く): 35753718

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2293, 2870, 4305, 4586, 6879, 8610, 11465, 13758, 16051, 22930, 32102, 34395, 48153, 68790, 80255, 94013, 96306, 160510, 188026, 240765, 282039, 470065, 481530, 564078, 658091, 940130, 1316182, 1410195, 1974273, 2820390, 3290455, 3948546, 6580910, 9871365, 19742730]

約数ペア:

[(1, 19742730), (2, 9871365), (3, 6580910), (5, 3948546), (6, 3290455), (7, 2820390), (10, 1974273), (14, 1410195), (15, 1316182), (21, 940130), (30, 658091), (35, 564078), (41, 481530), (42, 470065), (70, 282039), (82, 240765), (105, 188026), (123, 160510), (205, 96306), (210, 94013), (246, 80255), (287, 68790), (410, 48153), (574, 34395), (615, 32102), (861, 22930), (1230, 16051), (1435, 13758), (1722, 11465), (2293, 8610), (2870, 6879), (4305, 4586)]