19733720

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{797}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 44528400

約数和(自身を除く): 24794680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 797, 1238, 1594, 2476, 3095, 3188, 3985, 4952, 6190, 6376, 7970, 12380, 15940, 24760, 31880, 493343, 986686, 1973372, 2466715, 3946744, 4933430, 9866860, 19733720]

約数ペア:

[(1, 19733720), (2, 9866860), (4, 4933430), (5, 3946744), (8, 2466715), (10, 1973372), (20, 986686), (40, 493343), (619, 31880), (797, 24760), (1238, 15940), (1594, 12380), (2476, 7970), (3095, 6376), (3188, 6190), (3985, 4952)]