19297180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 49392000

約数和(自身を除く): 30094820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 97, 98, 116, 140, 145, 194, 196, 203, 245, 290, 343, 388, 406, 485, 490, 580, 679, 686, 812, 970, 980, 1015, 1358, 1372, 1421, 1715, 1940, 2030, 2716, 2813, 2842, 3395, 3430, 4060, 4753, 5626, 5684, 6790, 6860, 7105, 9506, 9947, 11252, 13580, 14065, 14210, 19012, 19691, 19894, 23765, 28130, 28420, 33271, 39382, 39788, 47530, 49735, 56260, 66542, 78764, 95060, 98455, 99470, 133084, 137837, 166355, 196910, 198940, 275674, 332710, 393820, 551348, 665420, 689185, 964859, 1378370, 1929718, 2756740, 3859436, 4824295, 9648590, 19297180]

約数ペア:

[(1, 19297180), (2, 9648590), (4, 4824295), (5, 3859436), (7, 2756740), (10, 1929718), (14, 1378370), (20, 964859), (28, 689185), (29, 665420), (35, 551348), (49, 393820), (58, 332710), (70, 275674), (97, 198940), (98, 196910), (116, 166355), (140, 137837), (145, 133084), (194, 99470), (196, 98455), (203, 95060), (245, 78764), (290, 66542), (343, 56260), (388, 49735), (406, 47530), (485, 39788), (490, 39382), (580, 33271), (679, 28420), (686, 28130), (812, 23765), (970, 19894), (980, 19691), (1015, 19012), (1358, 14210), (1372, 14065), (1421, 13580), (1715, 11252), (1940, 9947), (2030, 9506), (2716, 7105), (2813, 6860), (2842, 6790), (3395, 5684), (3430, 5626), (4060, 4753)]