19456786180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{113213}}^1$

素因数の和:113896

約数の個数: 48

約数和(自身を含む): 44069228784

約数和(自身を除く): 24612442604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 661, 1322, 2644, 3305, 6610, 8593, 13220, 17186, 34372, 42965, 85930, 113213, 171860, 226426, 452852, 566065, 1132130, 1471769, 2264260, 2943538, 5887076, 7358845, 14717690, 29435380, 74833793, 149667586, 299335172, 374168965, 748337930, 972839309, 1496675860, 1945678618, 3891357236, 4864196545, 9728393090, 19456786180]

約数ペア:

[(1, 19456786180), (2, 9728393090), (4, 4864196545), (5, 3891357236), (10, 1945678618), (13, 1496675860), (20, 972839309), (26, 748337930), (52, 374168965), (65, 299335172), (130, 149667586), (260, 74833793), (661, 29435380), (1322, 14717690), (2644, 7358845), (3305, 5887076), (6610, 2943538), (8593, 2264260), (13220, 1471769), (17186, 1132130), (34372, 566065), (42965, 452852), (85930, 226426), (113213, 171860)]