18705804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6311}}^1$

素因数の和:6350

約数の個数: 48

約数和(自身を含む): 49486080

約数和(自身を除く): 30780276

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6311, 12622, 18933, 25244, 37866, 75732, 82043, 119909, 164086, 239818, 246129, 328172, 359727, 479636, 492258, 719454, 984516, 1438908, 1558817, 3117634, 4676451, 6235268, 9352902, 18705804]

約数ペア:

[(1, 18705804), (2, 9352902), (3, 6235268), (4, 4676451), (6, 3117634), (12, 1558817), (13, 1438908), (19, 984516), (26, 719454), (38, 492258), (39, 479636), (52, 359727), (57, 328172), (76, 246129), (78, 239818), (114, 164086), (156, 119909), (228, 82043), (247, 75732), (494, 37866), (741, 25244), (988, 18933), (1482, 12622), (2964, 6311)]