19943904

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2503}}^1$

素因数の和:2599

約数の個数: 48

約数和(自身を含む): 53004672

約数和(自身を除く): 33060768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2503, 2656, 3984, 5006, 7509, 7968, 10012, 15018, 20024, 30036, 40048, 60072, 80096, 120144, 207749, 240288, 415498, 623247, 830996, 1246494, 1661992, 2492988, 3323984, 4985976, 6647968, 9971952, 19943904]

約数ペア:

[(1, 19943904), (2, 9971952), (3, 6647968), (4, 4985976), (6, 3323984), (8, 2492988), (12, 1661992), (16, 1246494), (24, 830996), (32, 623247), (48, 415498), (83, 240288), (96, 207749), (166, 120144), (249, 80096), (332, 60072), (498, 40048), (664, 30036), (996, 20024), (1328, 15018), (1992, 10012), (2503, 7968), (2656, 7509), (3984, 5006)]