19981036373182

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1831}}^1\times {\mathrm{649639}}^1$

素因数の和:651736

約数の個数: 32

約数和(自身を含む): 30934131356160

約数和(自身を除く): 10953094982978

約数列:

[1, 2, 37, 74, 227, 454, 1831, 3662, 8399, 16798, 67747, 135494, 415637, 649639, 831274, 1299278, 15378569, 24036643, 30757138, 48073286, 147468053, 294936106, 1189489009, 2378978018, 5456317961, 10912635922, 44011093333, 88022186666, 270014005043, 540028010086, 9990518186591, 19981036373182]

約数ペア:

[(1, 19981036373182), (2, 9990518186591), (37, 540028010086), (74, 270014005043), (227, 88022186666), (454, 44011093333), (1831, 10912635922), (3662, 5456317961), (8399, 2378978018), (16798, 1189489009), (67747, 294936106), (135494, 147468053), (415637, 48073286), (649639, 30757138), (831274, 24036643), (1299278, 15378569)]