19188180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{881}}^1$

素因数の和:918

約数の個数: 108

約数和(自身を含む): 64049076

約数和(自身を除く): 44860896

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 881, 990, 1089, 1210, 1452, 1762, 1815, 1980, 2178, 2420, 2643, 3524, 3630, 4356, 4405, 5286, 5445, 7260, 7929, 8810, 9691, 10572, 10890, 13215, 15858, 17620, 19382, 21780, 26430, 29073, 31716, 38764, 39645, 48455, 52860, 58146, 79290, 87219, 96910, 106601, 116292, 145365, 158580, 174438, 193820, 213202, 290730, 319803, 348876, 426404, 436095, 533005, 581460, 639606, 872190, 959409, 1066010, 1279212, 1599015, 1744380, 1918818, 2132020, 3198030, 3837636, 4797045, 6396060, 9594090, 19188180]

約数ペア:

[(1, 19188180), (2, 9594090), (3, 6396060), (4, 4797045), (5, 3837636), (6, 3198030), (9, 2132020), (10, 1918818), (11, 1744380), (12, 1599015), (15, 1279212), (18, 1066010), (20, 959409), (22, 872190), (30, 639606), (33, 581460), (36, 533005), (44, 436095), (45, 426404), (55, 348876), (60, 319803), (66, 290730), (90, 213202), (99, 193820), (110, 174438), (121, 158580), (132, 145365), (165, 116292), (180, 106601), (198, 96910), (220, 87219), (242, 79290), (330, 58146), (363, 52860), (396, 48455), (484, 39645), (495, 38764), (605, 31716), (660, 29073), (726, 26430), (881, 21780), (990, 19382), (1089, 17620), (1210, 15858), (1452, 13215), (1762, 10890), (1815, 10572), (1980, 9691), (2178, 8810), (2420, 7929), (2643, 7260), (3524, 5445), (3630, 5286), (4356, 4405)]