19121830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21013}}^1$

素因数の和:21040

約数の個数: 32

約数和(自身を含む): 42364224

約数和(自身を除く): 23242394

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21013, 42026, 105065, 147091, 210130, 273169, 294182, 546338, 735455, 1365845, 1470910, 1912183, 2731690, 3824366, 9560915, 19121830]

約数ペア:

[(1, 19121830), (2, 9560915), (5, 3824366), (7, 2731690), (10, 1912183), (13, 1470910), (14, 1365845), (26, 735455), (35, 546338), (65, 294182), (70, 273169), (91, 210130), (130, 147091), (182, 105065), (455, 42026), (910, 21013)]