19447420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 43319808

約数和(自身を除く): 23872388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 631, 670, 1262, 1340, 1541, 2524, 3082, 3155, 6164, 6310, 7705, 12620, 14513, 15410, 29026, 30820, 42277, 58052, 72565, 84554, 145130, 169108, 211385, 290260, 422770, 845540, 972371, 1944742, 3889484, 4861855, 9723710, 19447420]

約数ペア:

[(1, 19447420), (2, 9723710), (4, 4861855), (5, 3889484), (10, 1944742), (20, 972371), (23, 845540), (46, 422770), (67, 290260), (92, 211385), (115, 169108), (134, 145130), (230, 84554), (268, 72565), (335, 58052), (460, 42277), (631, 30820), (670, 29026), (1262, 15410), (1340, 14513), (1541, 12620), (2524, 7705), (3082, 6310), (3155, 6164)]