11872340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 26544000

約数和(自身を除く): 14671660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 199, 314, 380, 398, 628, 785, 796, 995, 1570, 1990, 2983, 3140, 3781, 3980, 5966, 7562, 11932, 14915, 15124, 18905, 29830, 31243, 37810, 59660, 62486, 75620, 124972, 156215, 312430, 593617, 624860, 1187234, 2374468, 2968085, 5936170, 11872340]

約数ペア:

[(1, 11872340), (2, 5936170), (4, 2968085), (5, 2374468), (10, 1187234), (19, 624860), (20, 593617), (38, 312430), (76, 156215), (95, 124972), (157, 75620), (190, 62486), (199, 59660), (314, 37810), (380, 31243), (398, 29830), (628, 18905), (785, 15124), (796, 14915), (995, 11932), (1570, 7562), (1990, 5966), (2983, 3980), (3140, 3781)]