19439964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 52437840

約数和(自身を除く): 32997876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 291, 293, 342, 388, 582, 586, 684, 873, 879, 1164, 1172, 1746, 1758, 1843, 2637, 3492, 3516, 3686, 5274, 5529, 5567, 7372, 10548, 11058, 11134, 16587, 16701, 22116, 22268, 28421, 33174, 33402, 50103, 56842, 66348, 66804, 85263, 100206, 113684, 170526, 200412, 255789, 341052, 511578, 539999, 1023156, 1079998, 1619997, 2159996, 3239994, 4859991, 6479988, 9719982, 19439964]

約数ペア:

[(1, 19439964), (2, 9719982), (3, 6479988), (4, 4859991), (6, 3239994), (9, 2159996), (12, 1619997), (18, 1079998), (19, 1023156), (36, 539999), (38, 511578), (57, 341052), (76, 255789), (97, 200412), (114, 170526), (171, 113684), (194, 100206), (228, 85263), (291, 66804), (293, 66348), (342, 56842), (388, 50103), (582, 33402), (586, 33174), (684, 28421), (873, 22268), (879, 22116), (1164, 16701), (1172, 16587), (1746, 11134), (1758, 11058), (1843, 10548), (2637, 7372), (3492, 5567), (3516, 5529), (3686, 5274)]