18403740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 57879360

約数和(自身を除く): 39475620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 173, 180, 197, 270, 346, 394, 519, 540, 591, 692, 788, 865, 985, 1038, 1182, 1557, 1730, 1773, 1970, 2076, 2364, 2595, 2955, 3114, 3460, 3546, 3940, 4671, 5190, 5319, 5910, 6228, 7092, 7785, 8865, 9342, 10380, 10638, 11820, 15570, 17730, 18684, 21276, 23355, 26595, 31140, 34081, 35460, 46710, 53190, 68162, 93420, 102243, 106380, 136324, 170405, 204486, 306729, 340810, 408972, 511215, 613458, 681620, 920187, 1022430, 1226916, 1533645, 1840374, 2044860, 3067290, 3680748, 4600935, 6134580, 9201870, 18403740]

約数ペア:

[(1, 18403740), (2, 9201870), (3, 6134580), (4, 4600935), (5, 3680748), (6, 3067290), (9, 2044860), (10, 1840374), (12, 1533645), (15, 1226916), (18, 1022430), (20, 920187), (27, 681620), (30, 613458), (36, 511215), (45, 408972), (54, 340810), (60, 306729), (90, 204486), (108, 170405), (135, 136324), (173, 106380), (180, 102243), (197, 93420), (270, 68162), (346, 53190), (394, 46710), (519, 35460), (540, 34081), (591, 31140), (692, 26595), (788, 23355), (865, 21276), (985, 18684), (1038, 17730), (1182, 15570), (1557, 11820), (1730, 10638), (1773, 10380), (1970, 9342), (2076, 8865), (2364, 7785), (2595, 7092), (2955, 6228), (3114, 5910), (3460, 5319), (3546, 5190), (3940, 4671)]