17621740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 21891860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 587, 790, 1174, 1501, 1580, 2348, 2935, 3002, 5870, 6004, 7505, 11153, 11740, 15010, 22306, 30020, 44612, 46373, 55765, 92746, 111530, 185492, 223060, 231865, 463730, 881087, 927460, 1762174, 3524348, 4405435, 8810870, 17621740]

約数ペア:

[(1, 17621740), (2, 8810870), (4, 4405435), (5, 3524348), (10, 1762174), (19, 927460), (20, 881087), (38, 463730), (76, 231865), (79, 223060), (95, 185492), (158, 111530), (190, 92746), (316, 55765), (380, 46373), (395, 44612), (587, 30020), (790, 22306), (1174, 15010), (1501, 11740), (1580, 11153), (2348, 7505), (2935, 6004), (3002, 5870)]