19180920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1357

約数の個数: 96

約数和(自身を含む): 63297360

約数和(自身を除く): 44116440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1321, 1452, 1815, 2420, 2642, 2904, 3630, 3963, 4840, 5284, 6605, 7260, 7926, 10568, 13210, 14520, 14531, 15852, 19815, 26420, 29062, 31704, 39630, 43593, 52840, 58124, 72655, 79260, 87186, 116248, 145310, 158520, 159841, 174372, 217965, 290620, 319682, 348744, 435930, 479523, 581240, 639364, 799205, 871860, 959046, 1278728, 1598410, 1743720, 1918092, 2397615, 3196820, 3836184, 4795230, 6393640, 9590460, 19180920]

約数ペア:

[(1, 19180920), (2, 9590460), (3, 6393640), (4, 4795230), (5, 3836184), (6, 3196820), (8, 2397615), (10, 1918092), (11, 1743720), (12, 1598410), (15, 1278728), (20, 959046), (22, 871860), (24, 799205), (30, 639364), (33, 581240), (40, 479523), (44, 435930), (55, 348744), (60, 319682), (66, 290620), (88, 217965), (110, 174372), (120, 159841), (121, 158520), (132, 145310), (165, 116248), (220, 87186), (242, 79260), (264, 72655), (330, 58124), (363, 52840), (440, 43593), (484, 39630), (605, 31704), (660, 29062), (726, 26420), (968, 19815), (1210, 15852), (1320, 14531), (1321, 14520), (1452, 13210), (1815, 10568), (2420, 7926), (2642, 7260), (2904, 6605), (3630, 5284), (3963, 4840)]