19773270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19973}}^1$

素因数の和:19997

約数の個数: 48

約数和(自身を含む): 56086992

約数和(自身を除く): 36313722

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19973, 39946, 59919, 99865, 119838, 179757, 199730, 219703, 299595, 359514, 439406, 599190, 659109, 898785, 1098515, 1318218, 1797570, 1977327, 2197030, 3295545, 3954654, 6591090, 9886635, 19773270]

約数ペア:

[(1, 19773270), (2, 9886635), (3, 6591090), (5, 3954654), (6, 3295545), (9, 2197030), (10, 1977327), (11, 1797570), (15, 1318218), (18, 1098515), (22, 898785), (30, 659109), (33, 599190), (45, 439406), (55, 359514), (66, 299595), (90, 219703), (99, 199730), (110, 179757), (165, 119838), (198, 99865), (330, 59919), (495, 39946), (990, 19973)]