19700416

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1001

約数の個数: 56

約数和(自身を含む): 43616880

約数和(自身を除く): 23916464

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 953, 1088, 1216, 1292, 1906, 2584, 3812, 5168, 7624, 10336, 15248, 16201, 18107, 20672, 30496, 32402, 36214, 60992, 64804, 72428, 129608, 144856, 259216, 289712, 307819, 518432, 579424, 615638, 1036864, 1158848, 1231276, 2462552, 4925104, 9850208, 19700416]

約数ペア:

[(1, 19700416), (2, 9850208), (4, 4925104), (8, 2462552), (16, 1231276), (17, 1158848), (19, 1036864), (32, 615638), (34, 579424), (38, 518432), (64, 307819), (68, 289712), (76, 259216), (136, 144856), (152, 129608), (272, 72428), (304, 64804), (323, 60992), (544, 36214), (608, 32402), (646, 30496), (953, 20672), (1088, 18107), (1216, 16201), (1292, 15248), (1906, 10336), (2584, 7624), (3812, 5168)]