19623708

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1585

約数の個数: 72

約数和(自身を含む): 55434288

約数和(自身を除く): 35810580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1553, 2106, 3106, 3159, 4212, 4659, 6212, 6318, 9318, 12636, 13977, 18636, 20189, 27954, 40378, 41931, 55908, 60567, 80756, 83862, 121134, 125793, 167724, 181701, 242268, 251586, 363402, 377379, 503172, 545103, 726804, 754758, 1090206, 1509516, 1635309, 2180412, 3270618, 4905927, 6541236, 9811854, 19623708]

約数ペア:

[(1, 19623708), (2, 9811854), (3, 6541236), (4, 4905927), (6, 3270618), (9, 2180412), (12, 1635309), (13, 1509516), (18, 1090206), (26, 754758), (27, 726804), (36, 545103), (39, 503172), (52, 377379), (54, 363402), (78, 251586), (81, 242268), (108, 181701), (117, 167724), (156, 125793), (162, 121134), (234, 83862), (243, 80756), (324, 60567), (351, 55908), (468, 41931), (486, 40378), (702, 27954), (972, 20189), (1053, 18636), (1404, 13977), (1553, 12636), (2106, 9318), (3106, 6318), (3159, 6212), (4212, 4659)]