19463912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 42411600

約数和(自身を除く): 22947688

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 101, 104, 109, 136, 202, 218, 221, 404, 436, 442, 808, 872, 884, 1313, 1417, 1717, 1768, 1853, 2626, 2834, 3434, 3706, 5252, 5668, 6868, 7412, 10504, 11009, 11336, 13736, 14824, 22018, 22321, 24089, 44036, 44642, 48178, 88072, 89284, 96356, 143117, 178568, 187153, 192712, 286234, 374306, 572468, 748612, 1144936, 1497224, 2432989, 4865978, 9731956, 19463912]

約数ペア:

[(1, 19463912), (2, 9731956), (4, 4865978), (8, 2432989), (13, 1497224), (17, 1144936), (26, 748612), (34, 572468), (52, 374306), (68, 286234), (101, 192712), (104, 187153), (109, 178568), (136, 143117), (202, 96356), (218, 89284), (221, 88072), (404, 48178), (436, 44642), (442, 44036), (808, 24089), (872, 22321), (884, 22018), (1313, 14824), (1417, 13736), (1717, 11336), (1768, 11009), (1853, 10504), (2626, 7412), (2834, 6868), (3434, 5668), (3706, 5252)]