18728430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1001

約数の個数: 64

約数和(自身を含む): 51936768

約数和(自身を除く): 33208338

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 883, 1010, 1414, 1515, 1766, 2121, 2649, 3030, 3535, 4242, 4415, 5298, 6181, 7070, 8830, 10605, 12362, 13245, 18543, 21210, 26490, 30905, 37086, 61810, 89183, 92715, 178366, 185430, 267549, 445915, 535098, 624281, 891830, 1248562, 1337745, 1872843, 2675490, 3121405, 3745686, 6242810, 9364215, 18728430]

約数ペア:

[(1, 18728430), (2, 9364215), (3, 6242810), (5, 3745686), (6, 3121405), (7, 2675490), (10, 1872843), (14, 1337745), (15, 1248562), (21, 891830), (30, 624281), (35, 535098), (42, 445915), (70, 267549), (101, 185430), (105, 178366), (202, 92715), (210, 89183), (303, 61810), (505, 37086), (606, 30905), (707, 26490), (883, 21210), (1010, 18543), (1414, 13245), (1515, 12362), (1766, 10605), (2121, 8830), (2649, 7070), (3030, 6181), (3535, 5298), (4242, 4415)]