18365020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 23567780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1559, 2356, 2945, 3118, 5890, 6236, 7795, 11780, 15590, 29621, 31180, 48329, 59242, 96658, 118484, 148105, 193316, 241645, 296210, 483290, 592420, 918251, 966580, 1836502, 3673004, 4591255, 9182510, 18365020]

約数ペア:

[(1, 18365020), (2, 9182510), (4, 4591255), (5, 3673004), (10, 1836502), (19, 966580), (20, 918251), (31, 592420), (38, 483290), (62, 296210), (76, 241645), (95, 193316), (124, 148105), (155, 118484), (190, 96658), (310, 59242), (380, 48329), (589, 31180), (620, 29621), (1178, 15590), (1559, 11780), (2356, 7795), (2945, 6236), (3118, 5890)]