19197568

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 41983200

約数和(自身を除く): 22785632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 128, 139, 166, 208, 278, 332, 416, 556, 664, 832, 1079, 1112, 1328, 1664, 1807, 2158, 2224, 2656, 3614, 4316, 4448, 5312, 7228, 8632, 8896, 10624, 11537, 14456, 17264, 17792, 23074, 28912, 34528, 46148, 57824, 69056, 92296, 115648, 138112, 149981, 184592, 231296, 299962, 369184, 599924, 738368, 1199848, 1476736, 2399696, 4799392, 9598784, 19197568]

約数ペア:

[(1, 19197568), (2, 9598784), (4, 4799392), (8, 2399696), (13, 1476736), (16, 1199848), (26, 738368), (32, 599924), (52, 369184), (64, 299962), (83, 231296), (104, 184592), (128, 149981), (139, 138112), (166, 115648), (208, 92296), (278, 69056), (332, 57824), (416, 46148), (556, 34528), (664, 28912), (832, 23074), (1079, 17792), (1112, 17264), (1328, 14456), (1664, 11537), (1807, 10624), (2158, 8896), (2224, 8632), (2656, 7228), (3614, 5312), (4316, 4448)]