19849080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 40026120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 659, 753, 1004, 1255, 1318, 1506, 1977, 2008, 2510, 2636, 3012, 3295, 3765, 3954, 5020, 5272, 6024, 6590, 7530, 7908, 9885, 10040, 13180, 15060, 15816, 19770, 26360, 30120, 39540, 79080, 165409, 330818, 496227, 661636, 827045, 992454, 1323272, 1654090, 1984908, 2481135, 3308180, 3969816, 4962270, 6616360, 9924540, 19849080]

約数ペア:

[(1, 19849080), (2, 9924540), (3, 6616360), (4, 4962270), (5, 3969816), (6, 3308180), (8, 2481135), (10, 1984908), (12, 1654090), (15, 1323272), (20, 992454), (24, 827045), (30, 661636), (40, 496227), (60, 330818), (120, 165409), (251, 79080), (502, 39540), (659, 30120), (753, 26360), (1004, 19770), (1255, 15816), (1318, 15060), (1506, 13180), (1977, 10040), (2008, 9885), (2510, 7908), (2636, 7530), (3012, 6590), (3295, 6024), (3765, 5272), (3954, 5020)]