18246015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 35631648

約数和(自身を除く): 17385633

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 61, 69, 85, 115, 153, 183, 207, 255, 289, 305, 345, 391, 549, 765, 867, 915, 1035, 1037, 1173, 1403, 1445, 1955, 2601, 2745, 3111, 3519, 4209, 4335, 5185, 5865, 6647, 7015, 9333, 12627, 13005, 15555, 17595, 17629, 19941, 21045, 23851, 33235, 46665, 52887, 59823, 63135, 71553, 88145, 99705, 119255, 158661, 214659, 264435, 299115, 357765, 405467, 793305, 1073295, 1216401, 2027335, 3649203, 6082005, 18246015]

約数ペア:

[(1, 18246015), (3, 6082005), (5, 3649203), (9, 2027335), (15, 1216401), (17, 1073295), (23, 793305), (45, 405467), (51, 357765), (61, 299115), (69, 264435), (85, 214659), (115, 158661), (153, 119255), (183, 99705), (207, 88145), (255, 71553), (289, 63135), (305, 59823), (345, 52887), (391, 46665), (549, 33235), (765, 23851), (867, 21045), (915, 19941), (1035, 17629), (1037, 17595), (1173, 15555), (1403, 13005), (1445, 12627), (1955, 9333), (2601, 7015), (2745, 6647), (3111, 5865), (3519, 5185), (4209, 4335)]