18318678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5521}}^1$

素因数の和:5612

約数の個数: 32

約数和(自身を含む): 42408960

約数和(自身を除く): 24090282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 5521, 11042, 16563, 33126, 38647, 77294, 115941, 231882, 436159, 872318, 1308477, 2616954, 3053113, 6106226, 9159339, 18318678]

約数ペア:

[(1, 18318678), (2, 9159339), (3, 6106226), (6, 3053113), (7, 2616954), (14, 1308477), (21, 872318), (42, 436159), (79, 231882), (158, 115941), (237, 77294), (474, 38647), (553, 33126), (1106, 16563), (1659, 11042), (3318, 5521)]