19598120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 47044800

約数和(自身を除く): 27446680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 241, 380, 428, 482, 535, 760, 856, 964, 1070, 1205, 1928, 2033, 2140, 2410, 4066, 4280, 4579, 4820, 8132, 9158, 9640, 10165, 16264, 18316, 20330, 22895, 25787, 36632, 40660, 45790, 51574, 81320, 91580, 103148, 128935, 183160, 206296, 257870, 489953, 515740, 979906, 1031480, 1959812, 2449765, 3919624, 4899530, 9799060, 19598120]

約数ペア:

[(1, 19598120), (2, 9799060), (4, 4899530), (5, 3919624), (8, 2449765), (10, 1959812), (19, 1031480), (20, 979906), (38, 515740), (40, 489953), (76, 257870), (95, 206296), (107, 183160), (152, 128935), (190, 103148), (214, 91580), (241, 81320), (380, 51574), (428, 45790), (482, 40660), (535, 36632), (760, 25787), (856, 22895), (964, 20330), (1070, 18316), (1205, 16264), (1928, 10165), (2033, 9640), (2140, 9158), (2410, 8132), (4066, 4820), (4280, 4579)]