19162900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2699}}^1$

素因数の和:2784

約数の個数: 36

約数和(自身を含む): 42184800

約数和(自身を除く): 23021900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2699, 3550, 5398, 7100, 10796, 13495, 26990, 53980, 67475, 134950, 191629, 269900, 383258, 766516, 958145, 1916290, 3832580, 4790725, 9581450, 19162900]

約数ペア:

[(1, 19162900), (2, 9581450), (4, 4790725), (5, 3832580), (10, 1916290), (20, 958145), (25, 766516), (50, 383258), (71, 269900), (100, 191629), (142, 134950), (284, 67475), (355, 53980), (710, 26990), (1420, 13495), (1775, 10796), (2699, 7100), (3550, 5398)]