19800612

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1599

約数の個数: 72

約数和(自身を含む): 55933696

約数和(自身を除く): 36133084

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, 1567, 2106, 3134, 3159, 4212, 4701, 6268, 6318, 9402, 12636, 14103, 18804, 20371, 28206, 40742, 42309, 56412, 61113, 81484, 84618, 122226, 126927, 169236, 183339, 244452, 253854, 366678, 380781, 507708, 550017, 733356, 761562, 1100034, 1523124, 1650051, 2200068, 3300102, 4950153, 6600204, 9900306, 19800612]

約数ペア:

[(1, 19800612), (2, 9900306), (3, 6600204), (4, 4950153), (6, 3300102), (9, 2200068), (12, 1650051), (13, 1523124), (18, 1100034), (26, 761562), (27, 733356), (36, 550017), (39, 507708), (52, 380781), (54, 366678), (78, 253854), (81, 244452), (108, 183339), (117, 169236), (156, 126927), (162, 122226), (234, 84618), (243, 81484), (324, 61113), (351, 56412), (468, 42309), (486, 40742), (702, 28206), (972, 20371), (1053, 18804), (1404, 14103), (1567, 12636), (2106, 9402), (3134, 6318), (3159, 6268), (4212, 4701)]