18893511

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 37739520

約数和(自身を除く): 18846009

約数列:

[1, 3, 7, 9, 13, 17, 21, 23, 39, 51, 59, 63, 69, 91, 117, 119, 153, 161, 177, 207, 221, 273, 299, 357, 391, 413, 483, 531, 663, 767, 819, 897, 1003, 1071, 1173, 1239, 1357, 1449, 1547, 1989, 2093, 2301, 2691, 2737, 3009, 3519, 3717, 4071, 4641, 5083, 5369, 6279, 6903, 7021, 8211, 9027, 9499, 12213, 13039, 13923, 15249, 16107, 17641, 18837, 21063, 23069, 24633, 28497, 35581, 39117, 45747, 48321, 52923, 63189, 69207, 85491, 91273, 106743, 117351, 123487, 158769, 161483, 207621, 273819, 299897, 320229, 370461, 484449, 821457, 899691, 1111383, 1453347, 2099279, 2699073, 6297837, 18893511]

約数ペア:

[(1, 18893511), (3, 6297837), (7, 2699073), (9, 2099279), (13, 1453347), (17, 1111383), (21, 899691), (23, 821457), (39, 484449), (51, 370461), (59, 320229), (63, 299897), (69, 273819), (91, 207621), (117, 161483), (119, 158769), (153, 123487), (161, 117351), (177, 106743), (207, 91273), (221, 85491), (273, 69207), (299, 63189), (357, 52923), (391, 48321), (413, 45747), (483, 39117), (531, 35581), (663, 28497), (767, 24633), (819, 23069), (897, 21063), (1003, 18837), (1071, 17641), (1173, 16107), (1239, 15249), (1357, 13923), (1449, 13039), (1547, 12213), (1989, 9499), (2093, 9027), (2301, 8211), (2691, 7021), (2737, 6903), (3009, 6279), (3519, 5369), (3717, 5083), (4071, 4641)]