18772216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1423}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 37679040

約数和(自身を除く): 18906824

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 776, 1423, 1649, 2846, 3298, 5692, 6596, 11384, 13192, 24191, 48382, 96764, 138031, 193528, 276062, 552124, 1104248, 2346527, 4693054, 9386108, 18772216]

約数ペア:

[(1, 18772216), (2, 9386108), (4, 4693054), (8, 2346527), (17, 1104248), (34, 552124), (68, 276062), (97, 193528), (136, 138031), (194, 96764), (388, 48382), (776, 24191), (1423, 13192), (1649, 11384), (2846, 6596), (3298, 5692)]