18465615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 38417184

約数和(自身を除く): 19951569

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 61, 63, 93, 105, 155, 183, 217, 279, 305, 315, 427, 465, 549, 651, 915, 961, 1085, 1281, 1395, 1891, 1953, 2135, 2745, 2883, 3255, 3843, 4805, 5673, 6405, 6727, 8649, 9455, 9765, 13237, 14415, 17019, 19215, 20181, 28365, 33635, 39711, 43245, 58621, 60543, 66185, 85095, 100905, 119133, 175863, 198555, 293105, 302715, 410347, 527589, 595665, 879315, 1231041, 2051735, 2637945, 3693123, 6155205, 18465615]

約数ペア:

[(1, 18465615), (3, 6155205), (5, 3693123), (7, 2637945), (9, 2051735), (15, 1231041), (21, 879315), (31, 595665), (35, 527589), (45, 410347), (61, 302715), (63, 293105), (93, 198555), (105, 175863), (155, 119133), (183, 100905), (217, 85095), (279, 66185), (305, 60543), (315, 58621), (427, 43245), (465, 39711), (549, 33635), (651, 28365), (915, 20181), (961, 19215), (1085, 17019), (1281, 14415), (1395, 13237), (1891, 9765), (1953, 9455), (2135, 8649), (2745, 6727), (2883, 6405), (3255, 5673), (3843, 4805)]