18145984

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 56

約数和(自身を含む): 37835840

約数和(自身を除く): 19689856

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 79, 97, 148, 158, 194, 296, 316, 388, 592, 632, 776, 1184, 1264, 1552, 2368, 2528, 2923, 3104, 3589, 5056, 5846, 6208, 7178, 7663, 11692, 14356, 15326, 23384, 28712, 30652, 46768, 57424, 61304, 93536, 114848, 122608, 187072, 229696, 245216, 283531, 490432, 567062, 1134124, 2268248, 4536496, 9072992, 18145984]

約数ペア:

[(1, 18145984), (2, 9072992), (4, 4536496), (8, 2268248), (16, 1134124), (32, 567062), (37, 490432), (64, 283531), (74, 245216), (79, 229696), (97, 187072), (148, 122608), (158, 114848), (194, 93536), (296, 61304), (316, 57424), (388, 46768), (592, 30652), (632, 28712), (776, 23384), (1184, 15326), (1264, 14356), (1552, 11692), (2368, 7663), (2528, 7178), (2923, 6208), (3104, 5846), (3589, 5056)]