19932825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 36979776

約数和(自身を除く): 17046951

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 275, 407, 555, 653, 825, 925, 1221, 1959, 2035, 2775, 3265, 6105, 7183, 9795, 10175, 16325, 21549, 24161, 30525, 35915, 48975, 72483, 107745, 120805, 179575, 265771, 362415, 538725, 604025, 797313, 1328855, 1812075, 3986565, 6644275, 19932825]

約数ペア:

[(1, 19932825), (3, 6644275), (5, 3986565), (11, 1812075), (15, 1328855), (25, 797313), (33, 604025), (37, 538725), (55, 362415), (75, 265771), (111, 179575), (165, 120805), (185, 107745), (275, 72483), (407, 48975), (555, 35915), (653, 30525), (825, 24161), (925, 21549), (1221, 16325), (1959, 10175), (2035, 9795), (2775, 7183), (3265, 6105)]