18028010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 64

約数和(自身を含む): 43593984

約数和(自身を除く): 25565974

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 1801, 2002, 3602, 5005, 9005, 10010, 12607, 18010, 19811, 23413, 25214, 39622, 46826, 63035, 99055, 117065, 126070, 138677, 163891, 198110, 234130, 257543, 277354, 327782, 515086, 693385, 819455, 1287715, 1386770, 1638910, 1802801, 2575430, 3605602, 9014005, 18028010]

約数ペア:

[(1, 18028010), (2, 9014005), (5, 3605602), (7, 2575430), (10, 1802801), (11, 1638910), (13, 1386770), (14, 1287715), (22, 819455), (26, 693385), (35, 515086), (55, 327782), (65, 277354), (70, 257543), (77, 234130), (91, 198110), (110, 163891), (130, 138677), (143, 126070), (154, 117065), (182, 99055), (286, 63035), (385, 46826), (455, 39622), (715, 25214), (770, 23413), (910, 19811), (1001, 18010), (1430, 12607), (1801, 10010), (2002, 9005), (3602, 5005)]