19143800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 49476000

約数和(自身を除く): 30332200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 37, 40, 50, 52, 65, 74, 100, 104, 130, 148, 185, 199, 200, 260, 296, 325, 370, 398, 481, 520, 650, 740, 796, 925, 962, 995, 1300, 1480, 1592, 1850, 1924, 1990, 2405, 2587, 2600, 3700, 3848, 3980, 4810, 4975, 5174, 7363, 7400, 7960, 9620, 9950, 10348, 12025, 12935, 14726, 19240, 19900, 20696, 24050, 25870, 29452, 36815, 39800, 48100, 51740, 58904, 64675, 73630, 95719, 96200, 103480, 129350, 147260, 184075, 191438, 258700, 294520, 368150, 382876, 478595, 517400, 736300, 765752, 957190, 1472600, 1914380, 2392975, 3828760, 4785950, 9571900, 19143800]

約数ペア:

[(1, 19143800), (2, 9571900), (4, 4785950), (5, 3828760), (8, 2392975), (10, 1914380), (13, 1472600), (20, 957190), (25, 765752), (26, 736300), (37, 517400), (40, 478595), (50, 382876), (52, 368150), (65, 294520), (74, 258700), (100, 191438), (104, 184075), (130, 147260), (148, 129350), (185, 103480), (199, 96200), (200, 95719), (260, 73630), (296, 64675), (325, 58904), (370, 51740), (398, 48100), (481, 39800), (520, 36815), (650, 29452), (740, 25870), (796, 24050), (925, 20696), (962, 19900), (995, 19240), (1300, 14726), (1480, 12935), (1592, 12025), (1850, 10348), (1924, 9950), (1990, 9620), (2405, 7960), (2587, 7400), (2600, 7363), (3700, 5174), (3848, 4975), (3980, 4810)]