19805024

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21563296

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 71, 92, 142, 184, 284, 368, 379, 568, 736, 758, 1136, 1516, 1633, 2272, 3032, 3266, 6064, 6532, 8717, 12128, 13064, 17434, 26128, 26909, 34868, 52256, 53818, 69736, 107636, 139472, 215272, 278944, 430544, 618907, 861088, 1237814, 2475628, 4951256, 9902512, 19805024]

約数ペア:

[(1, 19805024), (2, 9902512), (4, 4951256), (8, 2475628), (16, 1237814), (23, 861088), (32, 618907), (46, 430544), (71, 278944), (92, 215272), (142, 139472), (184, 107636), (284, 69736), (368, 53818), (379, 52256), (568, 34868), (736, 26909), (758, 26128), (1136, 17434), (1516, 13064), (1633, 12128), (2272, 8717), (3032, 6532), (3266, 6064)]