18139030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 41545728

約数和(自身を除く): 23406698

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 643, 806, 910, 1085, 1286, 2015, 2170, 2821, 3215, 4030, 4501, 5642, 6430, 8359, 9002, 14105, 16718, 19933, 22505, 28210, 39866, 41795, 45010, 58513, 83590, 99665, 117026, 139531, 199330, 259129, 279062, 292565, 518258, 585130, 697655, 1295645, 1395310, 1813903, 2591290, 3627806, 9069515, 18139030]

約数ペア:

[(1, 18139030), (2, 9069515), (5, 3627806), (7, 2591290), (10, 1813903), (13, 1395310), (14, 1295645), (26, 697655), (31, 585130), (35, 518258), (62, 292565), (65, 279062), (70, 259129), (91, 199330), (130, 139531), (155, 117026), (182, 99665), (217, 83590), (310, 58513), (403, 45010), (434, 41795), (455, 39866), (643, 28210), (806, 22505), (910, 19933), (1085, 16718), (1286, 14105), (2015, 9002), (2170, 8359), (2821, 6430), (3215, 5642), (4030, 4501)]