19274512

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 40818816

約数和(自身を除く): 21544304

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 71, 76, 94, 142, 152, 188, 284, 304, 361, 376, 568, 722, 752, 893, 1136, 1349, 1444, 1786, 2698, 2888, 3337, 3572, 5396, 5776, 6674, 7144, 10792, 13348, 14288, 16967, 21584, 25631, 26696, 33934, 51262, 53392, 63403, 67868, 102524, 126806, 135736, 205048, 253612, 271472, 410096, 507224, 1014448, 1204657, 2409314, 4818628, 9637256, 19274512]

約数ペア:

[(1, 19274512), (2, 9637256), (4, 4818628), (8, 2409314), (16, 1204657), (19, 1014448), (38, 507224), (47, 410096), (71, 271472), (76, 253612), (94, 205048), (142, 135736), (152, 126806), (188, 102524), (284, 67868), (304, 63403), (361, 53392), (376, 51262), (568, 33934), (722, 26696), (752, 25631), (893, 21584), (1136, 16967), (1349, 14288), (1444, 13348), (1786, 10792), (2698, 7144), (2888, 6674), (3337, 5776), (3572, 5396)]