19803730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 37099008

約数和(自身を除く): 17295278

約数列:

[1, 2, 5, 10, 31, 62, 155, 193, 310, 331, 386, 662, 965, 1655, 1930, 3310, 5983, 10261, 11966, 20522, 29915, 51305, 59830, 63883, 102610, 127766, 319415, 638830, 1980373, 3960746, 9901865, 19803730]

約数ペア:

[(1, 19803730), (2, 9901865), (5, 3960746), (10, 1980373), (31, 638830), (62, 319415), (155, 127766), (193, 102610), (310, 63883), (331, 59830), (386, 51305), (662, 29915), (965, 20522), (1655, 11966), (1930, 10261), (3310, 5983)]