19006981750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{27437}}^1$

素因数の和:27634

約数の個数: 64

約数和(自身を含む): 37906584768

約数和(自身を除く): 18899603018

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 163, 170, 250, 326, 425, 815, 850, 1630, 2125, 2771, 4075, 4250, 5542, 8150, 13855, 20375, 27437, 27710, 40750, 54874, 69275, 137185, 138550, 274370, 346375, 466429, 685925, 692750, 932858, 1371850, 2332145, 3429625, 4472231, 4664290, 6859250, 8944462, 11660725, 22361155, 23321450, 44722310, 58303625, 76027927, 111805775, 116607250, 152055854, 223611550, 380139635, 559028875, 760279270, 1118057750, 1900698175, 3801396350, 9503490875, 19006981750]

約数ペア:

[(1, 19006981750), (2, 9503490875), (5, 3801396350), (10, 1900698175), (17, 1118057750), (25, 760279270), (34, 559028875), (50, 380139635), (85, 223611550), (125, 152055854), (163, 116607250), (170, 111805775), (250, 76027927), (326, 58303625), (425, 44722310), (815, 23321450), (850, 22361155), (1630, 11660725), (2125, 8944462), (2771, 6859250), (4075, 4664290), (4250, 4472231), (5542, 3429625), (8150, 2332145), (13855, 1371850), (20375, 932858), (27437, 692750), (27710, 685925), (40750, 466429), (54874, 346375), (69275, 274370), (137185, 138550)]