19881504

素因数分解:

$2^5\times 3^3\times {\mathrm{23011}}^1$

素因数の和:23030

約数の個数: 48

約数和(自身を含む): 57990240

約数和(自身を除く): 38108736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23011, 46022, 69033, 92044, 138066, 184088, 207099, 276132, 368176, 414198, 552264, 621297, 736352, 828396, 1104528, 1242594, 1656792, 2209056, 2485188, 3313584, 4970376, 6627168, 9940752, 19881504]

約数ペア:

[(1, 19881504), (2, 9940752), (3, 6627168), (4, 4970376), (6, 3313584), (8, 2485188), (9, 2209056), (12, 1656792), (16, 1242594), (18, 1104528), (24, 828396), (27, 736352), (32, 621297), (36, 552264), (48, 414198), (54, 368176), (72, 276132), (96, 207099), (108, 184088), (144, 138066), (216, 92044), (288, 69033), (432, 46022), (864, 23011)]