19025728

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 56

約数和(自身を含む): 39502080

約数和(自身を除く): 20476352

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 71, 79, 106, 142, 158, 212, 284, 316, 424, 568, 632, 848, 1136, 1264, 1696, 2272, 2528, 3392, 3763, 4187, 4544, 5056, 5609, 7526, 8374, 11218, 15052, 16748, 22436, 30104, 33496, 44872, 60208, 66992, 89744, 120416, 133984, 179488, 240832, 267968, 297277, 358976, 594554, 1189108, 2378216, 4756432, 9512864, 19025728]

約数ペア:

[(1, 19025728), (2, 9512864), (4, 4756432), (8, 2378216), (16, 1189108), (32, 594554), (53, 358976), (64, 297277), (71, 267968), (79, 240832), (106, 179488), (142, 133984), (158, 120416), (212, 89744), (284, 66992), (316, 60208), (424, 44872), (568, 33496), (632, 30104), (848, 22436), (1136, 16748), (1264, 15052), (1696, 11218), (2272, 8374), (2528, 7526), (3392, 5609), (3763, 5056), (4187, 4544)]