19560752

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 39580800

約数和(自身を除く): 20020048

約数列:

[1, 2, 4, 8, 16, 31, 62, 113, 124, 226, 248, 349, 452, 496, 698, 904, 1396, 1808, 2792, 3503, 5584, 7006, 10819, 14012, 21638, 28024, 39437, 43276, 56048, 78874, 86552, 157748, 173104, 315496, 630992, 1222547, 2445094, 4890188, 9780376, 19560752]

約数ペア:

[(1, 19560752), (2, 9780376), (4, 4890188), (8, 2445094), (16, 1222547), (31, 630992), (62, 315496), (113, 173104), (124, 157748), (226, 86552), (248, 78874), (349, 56048), (452, 43276), (496, 39437), (698, 28024), (904, 21638), (1396, 14012), (1808, 10819), (2792, 7006), (3503, 5584)]