19513884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1867}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 49793408

約数和(自身を除く): 30279524

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 1867, 2613, 3484, 3734, 5226, 5601, 7468, 10452, 11202, 22404, 24271, 48542, 72813, 97084, 125089, 145626, 250178, 291252, 375267, 500356, 750534, 1501068, 1626157, 3252314, 4878471, 6504628, 9756942, 19513884]

約数ペア:

[(1, 19513884), (2, 9756942), (3, 6504628), (4, 4878471), (6, 3252314), (12, 1626157), (13, 1501068), (26, 750534), (39, 500356), (52, 375267), (67, 291252), (78, 250178), (134, 145626), (156, 125089), (201, 97084), (268, 72813), (402, 48542), (804, 24271), (871, 22404), (1742, 11202), (1867, 10452), (2613, 7468), (3484, 5601), (3734, 5226)]