19915576768

素因数分解:

$2^6\times {\mathrm{241}}^1\times {\mathrm{421}}^1\times {\mathrm{3067}}^1$

素因数の和:3741

約数の個数: 56

約数和(自身を含む): 39791186864

約数和(自身を除く): 19875610096

約数列:

[1, 2, 4, 8, 16, 32, 64, 241, 421, 482, 842, 964, 1684, 1928, 3067, 3368, 3856, 6134, 6736, 7712, 12268, 13472, 15424, 24536, 26944, 49072, 98144, 101461, 196288, 202922, 405844, 739147, 811688, 1291207, 1478294, 1623376, 2582414, 2956588, 3246752, 5164828, 5913176, 6493504, 10329656, 11826352, 20659312, 23652704, 41318624, 47305408, 82637248, 311180887, 622361774, 1244723548, 2489447096, 4978894192, 9957788384, 19915576768]

約数ペア:

[(1, 19915576768), (2, 9957788384), (4, 4978894192), (8, 2489447096), (16, 1244723548), (32, 622361774), (64, 311180887), (241, 82637248), (421, 47305408), (482, 41318624), (842, 23652704), (964, 20659312), (1684, 11826352), (1928, 10329656), (3067, 6493504), (3368, 5913176), (3856, 5164828), (6134, 3246752), (6736, 2956588), (7712, 2582414), (12268, 1623376), (13472, 1478294), (15424, 1291207), (24536, 811688), (26944, 739147), (49072, 405844), (98144, 202922), (101461, 196288)]