18583540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22784780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 569, 710, 1138, 1420, 1633, 2276, 2845, 3266, 5690, 6532, 8165, 11380, 13087, 16330, 26174, 32660, 40399, 52348, 65435, 80798, 130870, 161596, 201995, 261740, 403990, 807980, 929177, 1858354, 3716708, 4645885, 9291770, 18583540]

約数ペア:

[(1, 18583540), (2, 9291770), (4, 4645885), (5, 3716708), (10, 1858354), (20, 929177), (23, 807980), (46, 403990), (71, 261740), (92, 201995), (115, 161596), (142, 130870), (230, 80798), (284, 65435), (355, 52348), (460, 40399), (569, 32660), (710, 26174), (1138, 16330), (1420, 13087), (1633, 11380), (2276, 8165), (2845, 6532), (3266, 5690)]