19805656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5147}}^1$

素因数の和:5203

約数の個数: 32

約数和(自身を含む): 41081040

約数和(自身を除く): 21275384

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5147, 10294, 20588, 41176, 66911, 133822, 190439, 267644, 380878, 535288, 761756, 1523512, 2475707, 4951414, 9902828, 19805656]

約数ペア:

[(1, 19805656), (2, 9902828), (4, 4951414), (8, 2475707), (13, 1523512), (26, 761756), (37, 535288), (52, 380878), (74, 267644), (104, 190439), (148, 133822), (296, 66911), (481, 41176), (962, 20588), (1924, 10294), (3848, 5147)]