18043850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 37363680

約数和(自身を除く): 19319830

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 265, 275, 530, 550, 583, 619, 1166, 1238, 1325, 2650, 2915, 3095, 5830, 6190, 6809, 13618, 14575, 15475, 29150, 30950, 32807, 34045, 65614, 68090, 164035, 170225, 328070, 340450, 360877, 721754, 820175, 1640350, 1804385, 3608770, 9021925, 18043850]

約数ペア:

[(1, 18043850), (2, 9021925), (5, 3608770), (10, 1804385), (11, 1640350), (22, 820175), (25, 721754), (50, 360877), (53, 340450), (55, 328070), (106, 170225), (110, 164035), (265, 68090), (275, 65614), (530, 34045), (550, 32807), (583, 30950), (619, 29150), (1166, 15475), (1238, 14575), (1325, 13618), (2650, 6809), (2915, 6190), (3095, 5830)]