18940530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 37461390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 47, 57, 70, 94, 95, 101, 105, 114, 133, 141, 190, 202, 210, 235, 266, 282, 285, 303, 329, 399, 470, 505, 570, 606, 658, 665, 705, 707, 798, 893, 987, 1010, 1330, 1410, 1414, 1515, 1645, 1786, 1919, 1974, 1995, 2121, 2679, 3030, 3290, 3535, 3838, 3990, 4242, 4465, 4747, 4935, 5358, 5757, 6251, 7070, 8930, 9494, 9595, 9870, 10605, 11514, 12502, 13395, 13433, 14241, 18753, 19190, 21210, 23735, 26790, 26866, 28482, 28785, 31255, 33229, 37506, 40299, 47470, 57570, 62510, 66458, 67165, 71205, 80598, 90193, 93765, 99687, 134330, 142410, 166145, 180386, 187530, 199374, 201495, 270579, 332290, 402990, 450965, 498435, 541158, 631351, 901930, 996870, 1262702, 1352895, 1894053, 2705790, 3156755, 3788106, 6313510, 9470265, 18940530]

約数ペア:

[(1, 18940530), (2, 9470265), (3, 6313510), (5, 3788106), (6, 3156755), (7, 2705790), (10, 1894053), (14, 1352895), (15, 1262702), (19, 996870), (21, 901930), (30, 631351), (35, 541158), (38, 498435), (42, 450965), (47, 402990), (57, 332290), (70, 270579), (94, 201495), (95, 199374), (101, 187530), (105, 180386), (114, 166145), (133, 142410), (141, 134330), (190, 99687), (202, 93765), (210, 90193), (235, 80598), (266, 71205), (282, 67165), (285, 66458), (303, 62510), (329, 57570), (399, 47470), (470, 40299), (505, 37506), (570, 33229), (606, 31255), (658, 28785), (665, 28482), (705, 26866), (707, 26790), (798, 23735), (893, 21210), (987, 19190), (1010, 18753), (1330, 14241), (1410, 13433), (1414, 13395), (1515, 12502), (1645, 11514), (1786, 10605), (1919, 9870), (1974, 9595), (1995, 9494), (2121, 8930), (2679, 7070), (3030, 6251), (3290, 5757), (3535, 5358), (3838, 4935), (3990, 4747), (4242, 4465)]