1900619590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{140891}}^1$

素因数の和:140988

約数の個数: 32

約数和(自身を含む): 3651920640

約数和(自身を除く): 1751301050

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 140891, 281782, 704455, 1408910, 2676929, 5353858, 10003261, 13384645, 20006522, 26769290, 50016305, 100032610, 190061959, 380123918, 950309795, 1900619590]

約数ペア:

[(1, 1900619590), (2, 950309795), (5, 380123918), (10, 190061959), (19, 100032610), (38, 50016305), (71, 26769290), (95, 20006522), (142, 13384645), (190, 10003261), (355, 5353858), (710, 2676929), (1349, 1408910), (2698, 704455), (6745, 281782), (13490, 140891)]