18176768

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 39612720

約数和(自身を除く): 21435952

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 101, 128, 148, 152, 202, 256, 296, 304, 404, 592, 608, 703, 808, 1184, 1216, 1406, 1616, 1919, 2368, 2432, 2812, 3232, 3737, 3838, 4736, 4864, 5624, 6464, 7474, 7676, 9472, 11248, 12928, 14948, 15352, 22496, 25856, 29896, 30704, 44992, 59792, 61408, 71003, 89984, 119584, 122816, 142006, 179968, 239168, 245632, 284012, 478336, 491264, 568024, 956672, 1136048, 2272096, 4544192, 9088384, 18176768]

約数ペア:

[(1, 18176768), (2, 9088384), (4, 4544192), (8, 2272096), (16, 1136048), (19, 956672), (32, 568024), (37, 491264), (38, 478336), (64, 284012), (74, 245632), (76, 239168), (101, 179968), (128, 142006), (148, 122816), (152, 119584), (202, 89984), (256, 71003), (296, 61408), (304, 59792), (404, 44992), (592, 30704), (608, 29896), (703, 25856), (808, 22496), (1184, 15352), (1216, 14948), (1406, 12928), (1616, 11248), (1919, 9472), (2368, 7676), (2432, 7474), (2812, 6464), (3232, 5624), (3737, 4864), (3838, 4736)]