18700290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29683}}^1$

素因数の和:29703

約数の個数: 48

約数和(自身を含む): 55568448

約数和(自身を除く): 36868158

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 29683, 59366, 89049, 148415, 178098, 207781, 267147, 296830, 415562, 445245, 534294, 623343, 890490, 1038905, 1246686, 1335735, 1870029, 2077810, 2671470, 3116715, 3740058, 6233430, 9350145, 18700290]

約数ペア:

[(1, 18700290), (2, 9350145), (3, 6233430), (5, 3740058), (6, 3116715), (7, 2671470), (9, 2077810), (10, 1870029), (14, 1335735), (15, 1246686), (18, 1038905), (21, 890490), (30, 623343), (35, 534294), (42, 445245), (45, 415562), (63, 296830), (70, 267147), (90, 207781), (105, 178098), (126, 148415), (210, 89049), (315, 59366), (630, 29683)]