19313216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 56

約数和(自身を含む): 41818560

約数和(自身を除く): 22505344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 139, 167, 208, 278, 334, 416, 556, 668, 832, 1112, 1336, 1807, 2171, 2224, 2672, 3614, 4342, 4448, 5344, 7228, 8684, 8896, 10688, 14456, 17368, 23213, 28912, 34736, 46426, 57824, 69472, 92852, 115648, 138944, 185704, 301769, 371408, 603538, 742816, 1207076, 1485632, 2414152, 4828304, 9656608, 19313216]

約数ペア:

[(1, 19313216), (2, 9656608), (4, 4828304), (8, 2414152), (13, 1485632), (16, 1207076), (26, 742816), (32, 603538), (52, 371408), (64, 301769), (104, 185704), (139, 138944), (167, 115648), (208, 92852), (278, 69472), (334, 57824), (416, 46426), (556, 34736), (668, 28912), (832, 23213), (1112, 17368), (1336, 14456), (1807, 10688), (2171, 8896), (2224, 8684), (2672, 7228), (3614, 5344), (4342, 4448)]