18640140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 37243380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 83, 95, 114, 166, 190, 197, 228, 249, 285, 332, 380, 394, 415, 498, 570, 591, 788, 830, 985, 996, 1140, 1182, 1245, 1577, 1660, 1970, 2364, 2490, 2955, 3154, 3743, 3940, 4731, 4980, 5910, 6308, 7486, 7885, 9462, 11229, 11820, 14972, 15770, 16351, 18715, 18924, 22458, 23655, 31540, 32702, 37430, 44916, 47310, 49053, 56145, 65404, 74860, 81755, 94620, 98106, 112290, 163510, 196212, 224580, 245265, 310669, 327020, 490530, 621338, 932007, 981060, 1242676, 1553345, 1864014, 3106690, 3728028, 4660035, 6213380, 9320070, 18640140]

約数ペア:

[(1, 18640140), (2, 9320070), (3, 6213380), (4, 4660035), (5, 3728028), (6, 3106690), (10, 1864014), (12, 1553345), (15, 1242676), (19, 981060), (20, 932007), (30, 621338), (38, 490530), (57, 327020), (60, 310669), (76, 245265), (83, 224580), (95, 196212), (114, 163510), (166, 112290), (190, 98106), (197, 94620), (228, 81755), (249, 74860), (285, 65404), (332, 56145), (380, 49053), (394, 47310), (415, 44916), (498, 37430), (570, 32702), (591, 31540), (788, 23655), (830, 22458), (985, 18924), (996, 18715), (1140, 16351), (1182, 15770), (1245, 14972), (1577, 11820), (1660, 11229), (1970, 9462), (2364, 7885), (2490, 7486), (2955, 6308), (3154, 5910), (3743, 4980), (3940, 4731)]