18638316

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 52684800

約数和(自身を除く): 34046484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 93, 108, 114, 124, 171, 186, 228, 279, 293, 342, 372, 513, 558, 586, 589, 684, 837, 879, 1026, 1116, 1172, 1178, 1674, 1758, 1767, 2052, 2356, 2637, 3348, 3516, 3534, 5274, 5301, 5567, 7068, 7911, 9083, 10548, 10602, 11134, 15822, 15903, 16701, 18166, 21204, 22268, 27249, 31644, 31806, 33402, 36332, 50103, 54498, 63612, 66804, 81747, 100206, 108996, 150309, 163494, 172577, 200412, 245241, 300618, 326988, 345154, 490482, 517731, 601236, 690308, 980964, 1035462, 1553193, 2070924, 3106386, 4659579, 6212772, 9319158, 18638316]

約数ペア:

[(1, 18638316), (2, 9319158), (3, 6212772), (4, 4659579), (6, 3106386), (9, 2070924), (12, 1553193), (18, 1035462), (19, 980964), (27, 690308), (31, 601236), (36, 517731), (38, 490482), (54, 345154), (57, 326988), (62, 300618), (76, 245241), (93, 200412), (108, 172577), (114, 163494), (124, 150309), (171, 108996), (186, 100206), (228, 81747), (279, 66804), (293, 63612), (342, 54498), (372, 50103), (513, 36332), (558, 33402), (586, 31806), (589, 31644), (684, 27249), (837, 22268), (879, 21204), (1026, 18166), (1116, 16701), (1172, 15903), (1178, 15822), (1674, 11134), (1758, 10602), (1767, 10548), (2052, 9083), (2356, 7911), (2637, 7068), (3348, 5567), (3516, 5301), (3534, 5274)]