18168256

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 56

約数和(自身を含む): 38689280

約数和(自身を除く): 20521024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 67, 76, 134, 152, 223, 268, 304, 446, 536, 608, 892, 1072, 1216, 1273, 1784, 2144, 2546, 3568, 4237, 4288, 5092, 7136, 8474, 10184, 14272, 14941, 16948, 20368, 29882, 33896, 40736, 59764, 67792, 81472, 119528, 135584, 239056, 271168, 283879, 478112, 567758, 956224, 1135516, 2271032, 4542064, 9084128, 18168256]

約数ペア:

[(1, 18168256), (2, 9084128), (4, 4542064), (8, 2271032), (16, 1135516), (19, 956224), (32, 567758), (38, 478112), (64, 283879), (67, 271168), (76, 239056), (134, 135584), (152, 119528), (223, 81472), (268, 67792), (304, 59764), (446, 40736), (536, 33896), (608, 29882), (892, 20368), (1072, 16948), (1216, 14941), (1273, 14272), (1784, 10184), (2144, 8474), (2546, 7136), (3568, 5092), (4237, 4288)]