18201768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 49412160

約数和(自身を除く): 31210392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 227, 257, 312, 454, 514, 681, 771, 908, 1028, 1362, 1542, 1816, 2056, 2724, 2951, 3084, 3341, 5448, 5902, 6168, 6682, 8853, 10023, 11804, 13364, 17706, 20046, 23608, 26728, 35412, 40092, 58339, 70824, 80184, 116678, 175017, 233356, 350034, 466712, 700068, 758407, 1400136, 1516814, 2275221, 3033628, 4550442, 6067256, 9100884, 18201768]

約数ペア:

[(1, 18201768), (2, 9100884), (3, 6067256), (4, 4550442), (6, 3033628), (8, 2275221), (12, 1516814), (13, 1400136), (24, 758407), (26, 700068), (39, 466712), (52, 350034), (78, 233356), (104, 175017), (156, 116678), (227, 80184), (257, 70824), (312, 58339), (454, 40092), (514, 35412), (681, 26728), (771, 23608), (908, 20046), (1028, 17706), (1362, 13364), (1542, 11804), (1816, 10023), (2056, 8853), (2724, 6682), (2951, 6168), (3084, 5902), (3341, 5448)]