19031216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 38424624

約数和(自身を除く): 19393408

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 433, 536, 656, 866, 1072, 1732, 2747, 3464, 5494, 6928, 10988, 17753, 21976, 29011, 35506, 43952, 58022, 71012, 116044, 142024, 232088, 284048, 464176, 1189451, 2378902, 4757804, 9515608, 19031216]

約数ペア:

[(1, 19031216), (2, 9515608), (4, 4757804), (8, 2378902), (16, 1189451), (41, 464176), (67, 284048), (82, 232088), (134, 142024), (164, 116044), (268, 71012), (328, 58022), (433, 43952), (536, 35506), (656, 29011), (866, 21976), (1072, 17753), (1732, 10988), (2747, 6928), (3464, 5494)]