19479616

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 42

約数和(自身を含む): 41880282

約数和(自身を除く): 22400666

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 1801, 2704, 3602, 5408, 7204, 10816, 14408, 23413, 28816, 46826, 57632, 93652, 115264, 187304, 304369, 374608, 608738, 749216, 1217476, 1498432, 2434952, 4869904, 9739808, 19479616]

約数ペア:

[(1, 19479616), (2, 9739808), (4, 4869904), (8, 2434952), (13, 1498432), (16, 1217476), (26, 749216), (32, 608738), (52, 374608), (64, 304369), (104, 187304), (169, 115264), (208, 93652), (338, 57632), (416, 46826), (676, 28816), (832, 23413), (1352, 14408), (1801, 10816), (2704, 7204), (3602, 5408)]