18715830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89123}}^1$

素因数の和:89140

約数の個数: 32

約数和(自身を含む): 51335424

約数和(自身を除く): 32619594

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 89123, 178246, 267369, 445615, 534738, 623861, 891230, 1247722, 1336845, 1871583, 2673690, 3119305, 3743166, 6238610, 9357915, 18715830]

約数ペア:

[(1, 18715830), (2, 9357915), (3, 6238610), (5, 3743166), (6, 3119305), (7, 2673690), (10, 1871583), (14, 1336845), (15, 1247722), (21, 891230), (30, 623861), (35, 534738), (42, 445615), (70, 267369), (105, 178246), (210, 89123)]