19795916

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22298164

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 59, 92, 118, 161, 236, 322, 413, 521, 644, 826, 1042, 1357, 1652, 2084, 2714, 3647, 5428, 7294, 9499, 11983, 14588, 18998, 23966, 30739, 37996, 47932, 61478, 83881, 122956, 167762, 215173, 335524, 430346, 706997, 860692, 1413994, 2827988, 4948979, 9897958, 19795916]

約数ペア:

[(1, 19795916), (2, 9897958), (4, 4948979), (7, 2827988), (14, 1413994), (23, 860692), (28, 706997), (46, 430346), (59, 335524), (92, 215173), (118, 167762), (161, 122956), (236, 83881), (322, 61478), (413, 47932), (521, 37996), (644, 30739), (826, 23966), (1042, 18998), (1357, 14588), (1652, 11983), (2084, 9499), (2714, 7294), (3647, 5428)]