18715740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4273}}^1$

素因数の和:4358

約数の個数: 48

約数和(自身を含む): 53134368

約数和(自身を除く): 34418628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4273, 4380, 8546, 12819, 17092, 21365, 25638, 42730, 51276, 64095, 85460, 128190, 256380, 311929, 623858, 935787, 1247716, 1559645, 1871574, 3119290, 3743148, 4678935, 6238580, 9357870, 18715740]

約数ペア:

[(1, 18715740), (2, 9357870), (3, 6238580), (4, 4678935), (5, 3743148), (6, 3119290), (10, 1871574), (12, 1559645), (15, 1247716), (20, 935787), (30, 623858), (60, 311929), (73, 256380), (146, 128190), (219, 85460), (292, 64095), (365, 51276), (438, 42730), (730, 25638), (876, 21365), (1095, 17092), (1460, 12819), (2190, 8546), (4273, 4380)]