18078890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 34767360

約数和(自身を除く): 16688470

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 2011, 4022, 4495, 8990, 10055, 20110, 58319, 62341, 116638, 124682, 291595, 311705, 583190, 623410, 1807889, 3615778, 9039445, 18078890]

約数ペア:

[(1, 18078890), (2, 9039445), (5, 3615778), (10, 1807889), (29, 623410), (31, 583190), (58, 311705), (62, 291595), (145, 124682), (155, 116638), (290, 62341), (310, 58319), (899, 20110), (1798, 10055), (2011, 8990), (4022, 4495)]