19917490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 37396080

約数和(自身を除く): 17478590

約数列:

[1, 2, 5, 10, 29, 58, 145, 173, 290, 346, 397, 794, 865, 1730, 1985, 3970, 5017, 10034, 11513, 23026, 25085, 50170, 57565, 68681, 115130, 137362, 343405, 686810, 1991749, 3983498, 9958745, 19917490]

約数ペア:

[(1, 19917490), (2, 9958745), (5, 3983498), (10, 1991749), (29, 686810), (58, 343405), (145, 137362), (173, 115130), (290, 68681), (346, 57565), (397, 50170), (794, 25085), (865, 23026), (1730, 11513), (1985, 10034), (3970, 5017)]