19517850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{3943}}^1$

素因数の和:3972

約数の個数: 72

約数和(自身を含む): 57219552

約数和(自身を除く): 37701702

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 450, 495, 550, 825, 990, 1650, 2475, 3943, 4950, 7886, 11829, 19715, 23658, 35487, 39430, 43373, 59145, 70974, 86746, 98575, 118290, 130119, 177435, 197150, 216865, 260238, 295725, 354870, 390357, 433730, 591450, 650595, 780714, 887175, 1084325, 1301190, 1774350, 1951785, 2168650, 3252975, 3903570, 6505950, 9758925, 19517850]

約数ペア:

[(1, 19517850), (2, 9758925), (3, 6505950), (5, 3903570), (6, 3252975), (9, 2168650), (10, 1951785), (11, 1774350), (15, 1301190), (18, 1084325), (22, 887175), (25, 780714), (30, 650595), (33, 591450), (45, 433730), (50, 390357), (55, 354870), (66, 295725), (75, 260238), (90, 216865), (99, 197150), (110, 177435), (150, 130119), (165, 118290), (198, 98575), (225, 86746), (275, 70974), (330, 59145), (450, 43373), (495, 39430), (550, 35487), (825, 23658), (990, 19715), (1650, 11829), (2475, 7886), (3943, 4950)]