19591065

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:152

約数の個数: 60

約数和(自身を含む): 38450412

約数和(自身を除く): 18859347

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 81, 117, 135, 183, 195, 305, 351, 405, 549, 585, 793, 915, 1053, 1647, 1755, 2379, 2745, 3721, 3965, 4941, 5265, 7137, 8235, 11163, 11895, 18605, 21411, 24705, 33489, 35685, 48373, 55815, 64233, 100467, 107055, 145119, 167445, 241865, 301401, 321165, 435357, 502335, 725595, 1306071, 1507005, 2176785, 3918213, 6530355, 19591065]

約数ペア:

[(1, 19591065), (3, 6530355), (5, 3918213), (9, 2176785), (13, 1507005), (15, 1306071), (27, 725595), (39, 502335), (45, 435357), (61, 321165), (65, 301401), (81, 241865), (117, 167445), (135, 145119), (183, 107055), (195, 100467), (305, 64233), (351, 55815), (405, 48373), (549, 35685), (585, 33489), (793, 24705), (915, 21411), (1053, 18605), (1647, 11895), (1755, 11163), (2379, 8235), (2745, 7137), (3721, 5265), (3965, 4941)]