18915930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 120

約数和(自身を含む): 56196756

約数和(自身を除く): 37280826

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 121, 135, 162, 165, 193, 198, 242, 270, 297, 330, 363, 386, 405, 495, 579, 594, 605, 726, 810, 891, 965, 990, 1089, 1158, 1210, 1485, 1737, 1782, 1815, 1930, 2123, 2178, 2895, 2970, 3267, 3474, 3630, 4246, 4455, 5211, 5445, 5790, 6369, 6534, 8685, 8910, 9801, 10422, 10615, 10890, 12738, 15633, 16335, 17370, 19107, 19602, 21230, 23353, 26055, 31266, 31845, 32670, 38214, 46706, 49005, 52110, 57321, 63690, 70059, 78165, 95535, 98010, 114642, 116765, 140118, 156330, 171963, 191070, 210177, 233530, 286605, 343926, 350295, 420354, 573210, 630531, 700590, 859815, 1050885, 1261062, 1719630, 1891593, 2101770, 3152655, 3783186, 6305310, 9457965, 18915930]

約数ペア:

[(1, 18915930), (2, 9457965), (3, 6305310), (5, 3783186), (6, 3152655), (9, 2101770), (10, 1891593), (11, 1719630), (15, 1261062), (18, 1050885), (22, 859815), (27, 700590), (30, 630531), (33, 573210), (45, 420354), (54, 350295), (55, 343926), (66, 286605), (81, 233530), (90, 210177), (99, 191070), (110, 171963), (121, 156330), (135, 140118), (162, 116765), (165, 114642), (193, 98010), (198, 95535), (242, 78165), (270, 70059), (297, 63690), (330, 57321), (363, 52110), (386, 49005), (405, 46706), (495, 38214), (579, 32670), (594, 31845), (605, 31266), (726, 26055), (810, 23353), (891, 21230), (965, 19602), (990, 19107), (1089, 17370), (1158, 16335), (1210, 15633), (1485, 12738), (1737, 10890), (1782, 10615), (1815, 10422), (1930, 9801), (2123, 8910), (2178, 8685), (2895, 6534), (2970, 6369), (3267, 5790), (3474, 5445), (3630, 5211), (4246, 4455)]