18647220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1861}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 52553088

約数和(自身を除く): 33905868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 1861, 2004, 2505, 3340, 3722, 5010, 5583, 7444, 9305, 10020, 11166, 18610, 22332, 27915, 37220, 55830, 111660, 310787, 621574, 932361, 1243148, 1553935, 1864722, 3107870, 3729444, 4661805, 6215740, 9323610, 18647220]

約数ペア:

[(1, 18647220), (2, 9323610), (3, 6215740), (4, 4661805), (5, 3729444), (6, 3107870), (10, 1864722), (12, 1553935), (15, 1243148), (20, 932361), (30, 621574), (60, 310787), (167, 111660), (334, 55830), (501, 37220), (668, 27915), (835, 22332), (1002, 18610), (1670, 11166), (1861, 10020), (2004, 9305), (2505, 7444), (3340, 5583), (3722, 5010)]