1813309420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17837}}^1$

素因数の和:17899

約数の個数: 96

約数和(自身を含む): 4531137408

約数和(自身を除く): 2717827988

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 442, 460, 598, 782, 884, 1105, 1196, 1495, 1564, 1955, 2210, 2990, 3910, 4420, 5083, 5980, 7820, 10166, 17837, 20332, 25415, 35674, 50830, 71348, 89185, 101660, 178370, 231881, 303229, 356740, 410251, 463762, 606458, 820502, 927524, 1159405, 1212916, 1516145, 1641004, 2051255, 2318810, 3032290, 3941977, 4102510, 4637620, 5333263, 6064580, 6974267, 7883954, 8205020, 10666526, 13948534, 15767908, 19709885, 21333052, 26666315, 27897068, 34871335, 39419770, 53332630, 69742670, 78839540, 90665471, 106665260, 139485340, 181330942, 362661884, 453327355, 906654710, 1813309420]

約数ペア:

[(1, 1813309420), (2, 906654710), (4, 453327355), (5, 362661884), (10, 181330942), (13, 139485340), (17, 106665260), (20, 90665471), (23, 78839540), (26, 69742670), (34, 53332630), (46, 39419770), (52, 34871335), (65, 27897068), (68, 26666315), (85, 21333052), (92, 19709885), (115, 15767908), (130, 13948534), (170, 10666526), (221, 8205020), (230, 7883954), (260, 6974267), (299, 6064580), (340, 5333263), (391, 4637620), (442, 4102510), (460, 3941977), (598, 3032290), (782, 2318810), (884, 2051255), (1105, 1641004), (1196, 1516145), (1495, 1212916), (1564, 1159405), (1955, 927524), (2210, 820502), (2990, 606458), (3910, 463762), (4420, 410251), (5083, 356740), (5980, 303229), (7820, 231881), (10166, 178370), (17837, 101660), (20332, 89185), (25415, 71348), (35674, 50830)]