20181871808

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1047647}}^1$

素因数の和:1047709

約数の個数: 56

約数和(自身を含む): 46834056192

約数和(自身を除く): 26652184384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1204, 1376, 2408, 2752, 4816, 9632, 19264, 1047647, 2095294, 4190588, 7333529, 8381176, 14667058, 16762352, 29334116, 33524704, 45048821, 58668232, 67049408, 90097642, 117336464, 180195284, 234672928, 315341747, 360390568, 469345856, 630683494, 720781136, 1261366988, 1441562272, 2522733976, 2883124544, 5045467952, 10090935904, 20181871808]

約数ペア:

[(1, 20181871808), (2, 10090935904), (4, 5045467952), (7, 2883124544), (8, 2522733976), (14, 1441562272), (16, 1261366988), (28, 720781136), (32, 630683494), (43, 469345856), (56, 360390568), (64, 315341747), (86, 234672928), (112, 180195284), (172, 117336464), (224, 90097642), (301, 67049408), (344, 58668232), (448, 45048821), (602, 33524704), (688, 29334116), (1204, 16762352), (1376, 14667058), (2408, 8381176), (2752, 7333529), (4816, 4190588), (9632, 2095294), (19264, 1047647)]