19665228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7841}}^1$

素因数の和:7878

約数の個数: 48

約数和(自身を含む): 52698240

約数和(自身を除く): 33033012

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 7841, 15682, 23523, 31364, 47046, 86251, 94092, 148979, 172502, 258753, 297958, 345004, 446937, 517506, 595916, 893874, 1035012, 1638769, 1787748, 3277538, 4916307, 6555076, 9832614, 19665228]

約数ペア:

[(1, 19665228), (2, 9832614), (3, 6555076), (4, 4916307), (6, 3277538), (11, 1787748), (12, 1638769), (19, 1035012), (22, 893874), (33, 595916), (38, 517506), (44, 446937), (57, 345004), (66, 297958), (76, 258753), (114, 172502), (132, 148979), (209, 94092), (228, 86251), (418, 47046), (627, 31364), (836, 23523), (1254, 15682), (2508, 7841)]