19409238

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 43701216

約数和(自身を除く): 24291978

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 151, 193, 222, 302, 333, 386, 453, 579, 666, 906, 1158, 1359, 1737, 2718, 3474, 5587, 7141, 11174, 14282, 16761, 21423, 29143, 33522, 42846, 50283, 58286, 64269, 87429, 100566, 128538, 174858, 262287, 524574, 1078291, 2156582, 3234873, 6469746, 9704619, 19409238]

約数ペア:

[(1, 19409238), (2, 9704619), (3, 6469746), (6, 3234873), (9, 2156582), (18, 1078291), (37, 524574), (74, 262287), (111, 174858), (151, 128538), (193, 100566), (222, 87429), (302, 64269), (333, 58286), (386, 50283), (453, 42846), (579, 33522), (666, 29143), (906, 21423), (1158, 16761), (1359, 14282), (1737, 11174), (2718, 7141), (3474, 5587)]