19940046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 47663616

約数和(自身を除く): 27723570

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 61, 86, 122, 129, 181, 183, 258, 301, 362, 366, 427, 543, 602, 854, 903, 1086, 1267, 1281, 1806, 2534, 2562, 2623, 3801, 5246, 7602, 7783, 7869, 11041, 15566, 15738, 18361, 22082, 23349, 33123, 36722, 46698, 54481, 55083, 66246, 77287, 108962, 110166, 154574, 163443, 231861, 326886, 463722, 474763, 949526, 1424289, 2848578, 3323341, 6646682, 9970023, 19940046]

約数ペア:

[(1, 19940046), (2, 9970023), (3, 6646682), (6, 3323341), (7, 2848578), (14, 1424289), (21, 949526), (42, 474763), (43, 463722), (61, 326886), (86, 231861), (122, 163443), (129, 154574), (181, 110166), (183, 108962), (258, 77287), (301, 66246), (362, 55083), (366, 54481), (427, 46698), (543, 36722), (602, 33123), (854, 23349), (903, 22082), (1086, 18361), (1267, 15738), (1281, 15566), (1806, 11041), (2534, 7869), (2562, 7783), (2623, 7602), (3801, 5246)]