18203820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9787}}^1$

素因数の和:9830

約数の個数: 48

約数和(自身を含む): 52620288

約数和(自身を除く): 34416468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 9787, 19574, 29361, 39148, 48935, 58722, 97870, 117444, 146805, 195740, 293610, 303397, 587220, 606794, 910191, 1213588, 1516985, 1820382, 3033970, 3640764, 4550955, 6067940, 9101910, 18203820]

約数ペア:

[(1, 18203820), (2, 9101910), (3, 6067940), (4, 4550955), (5, 3640764), (6, 3033970), (10, 1820382), (12, 1516985), (15, 1213588), (20, 910191), (30, 606794), (31, 587220), (60, 303397), (62, 293610), (93, 195740), (124, 146805), (155, 117444), (186, 97870), (310, 58722), (372, 48935), (465, 39148), (620, 29361), (930, 19574), (1860, 9787)]