19710528

素因数分解:

$2^6\times 3^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:675

約数の個数: 56

約数和(自身を含む): 52486560

約数和(自身を除く): 32776032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 251, 409, 502, 753, 818, 1004, 1227, 1506, 1636, 2008, 2454, 3012, 3272, 4016, 4908, 6024, 6544, 8032, 9816, 12048, 13088, 16064, 19632, 24096, 26176, 39264, 48192, 78528, 102659, 205318, 307977, 410636, 615954, 821272, 1231908, 1642544, 2463816, 3285088, 4927632, 6570176, 9855264, 19710528]

約数ペア:

[(1, 19710528), (2, 9855264), (3, 6570176), (4, 4927632), (6, 3285088), (8, 2463816), (12, 1642544), (16, 1231908), (24, 821272), (32, 615954), (48, 410636), (64, 307977), (96, 205318), (192, 102659), (251, 78528), (409, 48192), (502, 39264), (753, 26176), (818, 24096), (1004, 19632), (1227, 16064), (1506, 13088), (1636, 12048), (2008, 9816), (2454, 8032), (3012, 6544), (3272, 6024), (4016, 4908)]