18393520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12101}}^1$

素因数の和:12133

約数の個数: 40

約数和(自身を含む): 45019440

約数和(自身を除く): 26625920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12101, 24202, 48404, 60505, 96808, 121010, 193616, 229919, 242020, 459838, 484040, 919676, 968080, 1149595, 1839352, 2299190, 3678704, 4598380, 9196760, 18393520]

約数ペア:

[(1, 18393520), (2, 9196760), (4, 4598380), (5, 3678704), (8, 2299190), (10, 1839352), (16, 1149595), (19, 968080), (20, 919676), (38, 484040), (40, 459838), (76, 242020), (80, 229919), (95, 193616), (152, 121010), (190, 96808), (304, 60505), (380, 48404), (760, 24202), (1520, 12101)]