19409984

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 56

約数和(自身を含む): 42672000

約数和(自身を除く): 23262016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 158, 176, 316, 349, 352, 632, 698, 704, 869, 1264, 1396, 1738, 2528, 2792, 3476, 3839, 5056, 5584, 6952, 7678, 11168, 13904, 15356, 22336, 27571, 27808, 30712, 55142, 55616, 61424, 110284, 122848, 220568, 245696, 303281, 441136, 606562, 882272, 1213124, 1764544, 2426248, 4852496, 9704992, 19409984]

約数ペア:

[(1, 19409984), (2, 9704992), (4, 4852496), (8, 2426248), (11, 1764544), (16, 1213124), (22, 882272), (32, 606562), (44, 441136), (64, 303281), (79, 245696), (88, 220568), (158, 122848), (176, 110284), (316, 61424), (349, 55616), (352, 55142), (632, 30712), (698, 27808), (704, 27571), (869, 22336), (1264, 15356), (1396, 13904), (1738, 11168), (2528, 7678), (2792, 6952), (3476, 5584), (3839, 5056)]