18859904

素因数分解:

$2^7\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 45581760

約数和(自身を除く): 26721856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 97, 98, 112, 124, 128, 194, 196, 217, 224, 248, 388, 392, 434, 448, 496, 679, 776, 784, 868, 896, 992, 1358, 1519, 1552, 1568, 1736, 1984, 2716, 3007, 3038, 3104, 3136, 3472, 3968, 4753, 5432, 6014, 6076, 6208, 6272, 6944, 9506, 10864, 12028, 12152, 12416, 13888, 19012, 21049, 21728, 24056, 24304, 27776, 38024, 42098, 43456, 48112, 48608, 76048, 84196, 86912, 96224, 97216, 147343, 152096, 168392, 192448, 194432, 294686, 304192, 336784, 384896, 589372, 608384, 673568, 1178744, 1347136, 2357488, 2694272, 4714976, 9429952, 18859904]

約数ペア:

[(1, 18859904), (2, 9429952), (4, 4714976), (7, 2694272), (8, 2357488), (14, 1347136), (16, 1178744), (28, 673568), (31, 608384), (32, 589372), (49, 384896), (56, 336784), (62, 304192), (64, 294686), (97, 194432), (98, 192448), (112, 168392), (124, 152096), (128, 147343), (194, 97216), (196, 96224), (217, 86912), (224, 84196), (248, 76048), (388, 48608), (392, 48112), (434, 43456), (448, 42098), (496, 38024), (679, 27776), (776, 24304), (784, 24056), (868, 21728), (896, 21049), (992, 19012), (1358, 13888), (1519, 12416), (1552, 12152), (1568, 12028), (1736, 10864), (1984, 9506), (2716, 6944), (3007, 6272), (3038, 6208), (3104, 6076), (3136, 6014), (3472, 5432), (3968, 4753)]