18258435

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 36232560

約数和(自身を除く): 17974125

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 59, 65, 69, 115, 117, 177, 195, 207, 295, 299, 345, 529, 531, 585, 767, 885, 897, 1035, 1357, 1495, 1587, 2301, 2645, 2655, 2691, 3835, 4071, 4485, 4761, 6785, 6877, 6903, 7935, 11505, 12213, 13455, 17641, 20355, 20631, 23805, 31211, 34385, 34515, 52923, 61065, 61893, 88205, 93633, 103155, 156055, 158769, 264615, 280899, 309465, 405743, 468165, 793845, 1217229, 1404495, 2028715, 3651687, 6086145, 18258435]

約数ペア:

[(1, 18258435), (3, 6086145), (5, 3651687), (9, 2028715), (13, 1404495), (15, 1217229), (23, 793845), (39, 468165), (45, 405743), (59, 309465), (65, 280899), (69, 264615), (115, 158769), (117, 156055), (177, 103155), (195, 93633), (207, 88205), (295, 61893), (299, 61065), (345, 52923), (529, 34515), (531, 34385), (585, 31211), (767, 23805), (885, 20631), (897, 20355), (1035, 17641), (1357, 13455), (1495, 12213), (1587, 11505), (2301, 7935), (2645, 6903), (2655, 6877), (2691, 6785), (3835, 4761), (4071, 4485)]