19399020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 56888832

約数和(自身を除く): 37489812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 73, 86, 103, 129, 146, 172, 206, 215, 219, 258, 292, 309, 365, 412, 430, 438, 515, 516, 618, 645, 730, 860, 876, 1030, 1095, 1236, 1290, 1460, 1545, 2060, 2190, 2580, 3090, 3139, 4380, 4429, 6180, 6278, 7519, 8858, 9417, 12556, 13287, 15038, 15695, 17716, 18834, 22145, 22557, 26574, 30076, 31390, 37595, 37668, 44290, 45114, 47085, 53148, 62780, 66435, 75190, 88580, 90228, 94170, 112785, 132870, 150380, 188340, 225570, 265740, 323317, 451140, 646634, 969951, 1293268, 1616585, 1939902, 3233170, 3879804, 4849755, 6466340, 9699510, 19399020]

約数ペア:

[(1, 19399020), (2, 9699510), (3, 6466340), (4, 4849755), (5, 3879804), (6, 3233170), (10, 1939902), (12, 1616585), (15, 1293268), (20, 969951), (30, 646634), (43, 451140), (60, 323317), (73, 265740), (86, 225570), (103, 188340), (129, 150380), (146, 132870), (172, 112785), (206, 94170), (215, 90228), (219, 88580), (258, 75190), (292, 66435), (309, 62780), (365, 53148), (412, 47085), (430, 45114), (438, 44290), (515, 37668), (516, 37595), (618, 31390), (645, 30076), (730, 26574), (860, 22557), (876, 22145), (1030, 18834), (1095, 17716), (1236, 15695), (1290, 15038), (1460, 13287), (1545, 12556), (2060, 9417), (2190, 8858), (2580, 7519), (3090, 6278), (3139, 6180), (4380, 4429)]