19007763268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{277}}^1\times {\mathrm{1223}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 36614628288

約数和(自身を除く): 17606865020

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 169, 277, 332, 338, 554, 676, 1079, 1108, 1223, 2158, 2446, 3601, 4316, 4892, 7202, 14027, 14404, 15899, 22991, 28054, 31798, 45982, 46813, 56108, 63596, 91964, 93626, 101509, 187252, 203018, 206687, 298883, 338771, 406036, 413374, 597766, 677542, 826748, 1195532, 1319617, 1355084, 2639234, 3885479, 4404023, 5278468, 7770958, 8808046, 15541916, 17155021, 17616092, 28117993, 34310042, 56235986, 57252299, 68620084, 112471972, 114504598, 229009196, 365533909, 731067818, 1462135636, 4751940817, 9503881634, 19007763268]

約数ペア:

[(1, 19007763268), (2, 9503881634), (4, 4751940817), (13, 1462135636), (26, 731067818), (52, 365533909), (83, 229009196), (166, 114504598), (169, 112471972), (277, 68620084), (332, 57252299), (338, 56235986), (554, 34310042), (676, 28117993), (1079, 17616092), (1108, 17155021), (1223, 15541916), (2158, 8808046), (2446, 7770958), (3601, 5278468), (4316, 4404023), (4892, 3885479), (7202, 2639234), (14027, 1355084), (14404, 1319617), (15899, 1195532), (22991, 826748), (28054, 677542), (31798, 597766), (45982, 413374), (46813, 406036), (56108, 338771), (63596, 298883), (91964, 206687), (93626, 203018), (101509, 187252)]