19865916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 59265024

約数和(自身を除く): 39399108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2543, 2604, 3906, 5086, 7629, 7812, 10172, 15258, 17801, 22887, 30516, 35602, 45774, 53403, 71204, 78833, 91548, 106806, 157666, 160209, 213612, 236499, 315332, 320418, 472998, 551831, 640836, 709497, 945996, 1103662, 1418994, 1655493, 2207324, 2837988, 3310986, 4966479, 6621972, 9932958, 19865916]

約数ペア:

[(1, 19865916), (2, 9932958), (3, 6621972), (4, 4966479), (6, 3310986), (7, 2837988), (9, 2207324), (12, 1655493), (14, 1418994), (18, 1103662), (21, 945996), (28, 709497), (31, 640836), (36, 551831), (42, 472998), (62, 320418), (63, 315332), (84, 236499), (93, 213612), (124, 160209), (126, 157666), (186, 106806), (217, 91548), (252, 78833), (279, 71204), (372, 53403), (434, 45774), (558, 35602), (651, 30516), (868, 22887), (1116, 17801), (1302, 15258), (1953, 10172), (2543, 7812), (2604, 7629), (3906, 5086)]