19589220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2221}}^1$

素因数の和:2250

約数の個数: 108

約数和(自身を含む): 69153084

約数和(自身を除く): 49563864

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2221, 2940, 4410, 4442, 6663, 8820, 8884, 11105, 13326, 15547, 19989, 22210, 26652, 31094, 33315, 39978, 44420, 46641, 62188, 66630, 77735, 79956, 93282, 99945, 108829, 133260, 139923, 155470, 186564, 199890, 217658, 233205, 279846, 310940, 326487, 399780, 435316, 466410, 544145, 559692, 652974, 699615, 932820, 979461, 1088290, 1305948, 1399230, 1632435, 1958922, 2176580, 2798460, 3264870, 3917844, 4897305, 6529740, 9794610, 19589220]

約数ペア:

[(1, 19589220), (2, 9794610), (3, 6529740), (4, 4897305), (5, 3917844), (6, 3264870), (7, 2798460), (9, 2176580), (10, 1958922), (12, 1632435), (14, 1399230), (15, 1305948), (18, 1088290), (20, 979461), (21, 932820), (28, 699615), (30, 652974), (35, 559692), (36, 544145), (42, 466410), (45, 435316), (49, 399780), (60, 326487), (63, 310940), (70, 279846), (84, 233205), (90, 217658), (98, 199890), (105, 186564), (126, 155470), (140, 139923), (147, 133260), (180, 108829), (196, 99945), (210, 93282), (245, 79956), (252, 77735), (294, 66630), (315, 62188), (420, 46641), (441, 44420), (490, 39978), (588, 33315), (630, 31094), (735, 26652), (882, 22210), (980, 19989), (1260, 15547), (1470, 13326), (1764, 11105), (2205, 8884), (2221, 8820), (2940, 6663), (4410, 4442)]