18896360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 51217920

約数和(自身を除く): 32321560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 311, 392, 434, 490, 620, 622, 868, 980, 1085, 1240, 1244, 1519, 1555, 1736, 1960, 2170, 2177, 2488, 3038, 3110, 4340, 4354, 6076, 6220, 7595, 8680, 8708, 9641, 10885, 12152, 12440, 15190, 15239, 17416, 19282, 21770, 30380, 30478, 38564, 43540, 48205, 60760, 60956, 67487, 76195, 77128, 87080, 96410, 121912, 134974, 152390, 192820, 269948, 304780, 337435, 385640, 472409, 539896, 609560, 674870, 944818, 1349740, 1889636, 2362045, 2699480, 3779272, 4724090, 9448180, 18896360]

約数ペア:

[(1, 18896360), (2, 9448180), (4, 4724090), (5, 3779272), (7, 2699480), (8, 2362045), (10, 1889636), (14, 1349740), (20, 944818), (28, 674870), (31, 609560), (35, 539896), (40, 472409), (49, 385640), (56, 337435), (62, 304780), (70, 269948), (98, 192820), (124, 152390), (140, 134974), (155, 121912), (196, 96410), (217, 87080), (245, 77128), (248, 76195), (280, 67487), (310, 60956), (311, 60760), (392, 48205), (434, 43540), (490, 38564), (620, 30478), (622, 30380), (868, 21770), (980, 19282), (1085, 17416), (1240, 15239), (1244, 15190), (1519, 12440), (1555, 12152), (1736, 10885), (1960, 9641), (2170, 8708), (2177, 8680), (2488, 7595), (3038, 6220), (3110, 6076), (4340, 4354)]