18231344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 37841328

約数和(自身を除く): 19609984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 97, 136, 194, 272, 388, 691, 776, 1382, 1552, 1649, 2764, 3298, 5528, 6596, 11056, 11747, 13192, 23494, 26384, 46988, 67027, 93976, 134054, 187952, 268108, 536216, 1072432, 1139459, 2278918, 4557836, 9115672, 18231344]

約数ペア:

[(1, 18231344), (2, 9115672), (4, 4557836), (8, 2278918), (16, 1139459), (17, 1072432), (34, 536216), (68, 268108), (97, 187952), (136, 134054), (194, 93976), (272, 67027), (388, 46988), (691, 26384), (776, 23494), (1382, 13192), (1552, 11747), (1649, 11056), (2764, 6596), (3298, 5528)]