181279896876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20386853}}^1$

素因数の和:20386895

約数の個数: 72

約数和(自身を含む): 519457039920

約数和(自身を除く): 338177143044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 20386853, 40773706, 61160559, 81547412, 122321118, 183481677, 244642236, 265029089, 366963354, 387350207, 530058178, 733926708, 774700414, 795087267, 1060116356, 1162050621, 1549400828, 1590174534, 2324101242, 2385261801, 3180349068, 3486151863, 4648202484, 4770523602, 5035552691, 6972303726, 9541047204, 10071105382, 13944607452, 15106658073, 20142210764, 30213316146, 45319974219, 60426632292, 90639948438, 181279896876]

約数ペア:

[(1, 181279896876), (2, 90639948438), (3, 60426632292), (4, 45319974219), (6, 30213316146), (9, 20142210764), (12, 15106658073), (13, 13944607452), (18, 10071105382), (19, 9541047204), (26, 6972303726), (36, 5035552691), (38, 4770523602), (39, 4648202484), (52, 3486151863), (57, 3180349068), (76, 2385261801), (78, 2324101242), (114, 1590174534), (117, 1549400828), (156, 1162050621), (171, 1060116356), (228, 795087267), (234, 774700414), (247, 733926708), (342, 530058178), (468, 387350207), (494, 366963354), (684, 265029089), (741, 244642236), (988, 183481677), (1482, 122321118), (2223, 81547412), (2964, 61160559), (4446, 40773706), (8892, 20386853)]