31914224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 66193680

約数和(自身を除く): 34279456

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1721, 2318, 3442, 4636, 6884, 9272, 13768, 18544, 27536, 32699, 65398, 104981, 130796, 209962, 261592, 419924, 523184, 839848, 1679696, 1994639, 3989278, 7978556, 15957112, 31914224]

約数ペア:

[(1, 31914224), (2, 15957112), (4, 7978556), (8, 3989278), (16, 1994639), (19, 1679696), (38, 839848), (61, 523184), (76, 419924), (122, 261592), (152, 209962), (244, 130796), (304, 104981), (488, 65398), (976, 32699), (1159, 27536), (1721, 18544), (2318, 13768), (3442, 9272), (4636, 6884)]