19948003660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4513123}}^1$

素因数の和:4513162

約数の個数: 48

約数和(自身を含む): 47766904416

約数和(自身を除く): 27818900756

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4513123, 9026246, 18052492, 22565615, 45131230, 58670599, 76723091, 90262460, 117341198, 153446182, 234682396, 293352995, 306892364, 383615455, 586705990, 767230910, 997400183, 1173411980, 1534461820, 1994800366, 3989600732, 4987000915, 9974001830, 19948003660]

約数ペア:

[(1, 19948003660), (2, 9974001830), (4, 4987000915), (5, 3989600732), (10, 1994800366), (13, 1534461820), (17, 1173411980), (20, 997400183), (26, 767230910), (34, 586705990), (52, 383615455), (65, 306892364), (68, 293352995), (85, 234682396), (130, 153446182), (170, 117341198), (221, 90262460), (260, 76723091), (340, 58670599), (442, 45131230), (884, 22565615), (1105, 18052492), (2210, 9026246), (4420, 4513123)]