19872528

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31847}}^1$

素因数の和:31871

約数の個数: 40

約数和(自身を含む): 55288128

約数和(自身を除く): 35415600

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31847, 63694, 95541, 127388, 191082, 254776, 382164, 414011, 509552, 764328, 828022, 1242033, 1528656, 1656044, 2484066, 3312088, 4968132, 6624176, 9936264, 19872528]

約数ペア:

[(1, 19872528), (2, 9936264), (3, 6624176), (4, 4968132), (6, 3312088), (8, 2484066), (12, 1656044), (13, 1528656), (16, 1242033), (24, 828022), (26, 764328), (39, 509552), (48, 414011), (52, 382164), (78, 254776), (104, 191082), (156, 127388), (208, 95541), (312, 63694), (624, 31847)]