19909174330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{3527}}^1$

素因数の和:3835

約数の個数: 64

約数和(自身を含む): 37553725440

約数和(自身を除く): 17644551110

約数列:

[1, 2, 5, 10, 31, 62, 131, 139, 155, 262, 278, 310, 655, 695, 1310, 1390, 3527, 4061, 4309, 7054, 8122, 8618, 17635, 18209, 20305, 21545, 35270, 36418, 40610, 43090, 91045, 109337, 182090, 218674, 462037, 490253, 546685, 564479, 924074, 980506, 1093370, 1128958, 2310185, 2451265, 2822395, 4620370, 4902530, 5644790, 14323147, 15197843, 28646294, 30395686, 64223143, 71615735, 75989215, 128446286, 143231470, 151978430, 321115715, 642231430, 1990917433, 3981834866, 9954587165, 19909174330]

約数ペア:

[(1, 19909174330), (2, 9954587165), (5, 3981834866), (10, 1990917433), (31, 642231430), (62, 321115715), (131, 151978430), (139, 143231470), (155, 128446286), (262, 75989215), (278, 71615735), (310, 64223143), (655, 30395686), (695, 28646294), (1310, 15197843), (1390, 14323147), (3527, 5644790), (4061, 4902530), (4309, 4620370), (7054, 2822395), (8122, 2451265), (8618, 2310185), (17635, 1128958), (18209, 1093370), (20305, 980506), (21545, 924074), (35270, 564479), (36418, 546685), (40610, 490253), (43090, 462037), (91045, 218674), (109337, 182090)]