18800418

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4919}}^1$

素因数の和:4951

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 28313502

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 4919, 9838, 14757, 29514, 34433, 63947, 68866, 103299, 127894, 191841, 206598, 241031, 383682, 447629, 482062, 723093, 895258, 1342887, 1446186, 2685774, 3133403, 6266806, 9400209, 18800418]

約数ペア:

[(1, 18800418), (2, 9400209), (3, 6266806), (6, 3133403), (7, 2685774), (13, 1446186), (14, 1342887), (21, 895258), (26, 723093), (39, 482062), (42, 447629), (49, 383682), (78, 241031), (91, 206598), (98, 191841), (147, 127894), (182, 103299), (273, 68866), (294, 63947), (546, 34433), (637, 29514), (1274, 14757), (1911, 9838), (3822, 4919)]