18854536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 37490400

約数和(自身を除く): 18635864

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 163, 326, 652, 761, 1304, 1522, 3044, 3097, 6088, 6194, 12388, 14459, 24776, 28918, 57836, 115672, 124043, 248086, 496172, 992344, 2356817, 4713634, 9427268, 18854536]

約数ペア:

[(1, 18854536), (2, 9427268), (4, 4713634), (8, 2356817), (19, 992344), (38, 496172), (76, 248086), (152, 124043), (163, 115672), (326, 57836), (652, 28918), (761, 24776), (1304, 14459), (1522, 12388), (3044, 6194), (3097, 6088)]