19728648

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8839}}^1$

素因数の和:8882

約数の個数: 48

約数和(自身を含む): 55161600

約数和(自身を除く): 35432952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8839, 17678, 26517, 35356, 53034, 70712, 79551, 106068, 159102, 212136, 274009, 318204, 548018, 636408, 822027, 1096036, 1644054, 2192072, 2466081, 3288108, 4932162, 6576216, 9864324, 19728648]

約数ペア:

[(1, 19728648), (2, 9864324), (3, 6576216), (4, 4932162), (6, 3288108), (8, 2466081), (9, 2192072), (12, 1644054), (18, 1096036), (24, 822027), (31, 636408), (36, 548018), (62, 318204), (72, 274009), (93, 212136), (124, 159102), (186, 106068), (248, 79551), (279, 70712), (372, 53034), (558, 35356), (744, 26517), (1116, 17678), (2232, 8839)]