2019201860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{35141}}^1$

素因数の和:35193

約数の個数: 72

約数和(自身を含む): 4861825416

約数和(自身を除く): 2842623556

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 4420, 5746, 11492, 14365, 28730, 35141, 57460, 70282, 140564, 175705, 351410, 456833, 597397, 702820, 913666, 1194794, 1827332, 2284165, 2389588, 2986985, 4568330, 5938829, 5973970, 7766161, 9136660, 11877658, 11947940, 15532322, 23755316, 29694145, 31064644, 38830805, 59388290, 77661610, 100960093, 118776580, 155323220, 201920186, 403840372, 504800465, 1009600930, 2019201860]

約数ペア:

[(1, 2019201860), (2, 1009600930), (4, 504800465), (5, 403840372), (10, 201920186), (13, 155323220), (17, 118776580), (20, 100960093), (26, 77661610), (34, 59388290), (52, 38830805), (65, 31064644), (68, 29694145), (85, 23755316), (130, 15532322), (169, 11947940), (170, 11877658), (221, 9136660), (260, 7766161), (338, 5973970), (340, 5938829), (442, 4568330), (676, 2986985), (845, 2389588), (884, 2284165), (1105, 1827332), (1690, 1194794), (2210, 913666), (2873, 702820), (3380, 597397), (4420, 456833), (5746, 351410), (11492, 175705), (14365, 140564), (28730, 70282), (35141, 57460)]