19593540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 59841600

約数和(自身を除く): 40248060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 547, 597, 796, 995, 1094, 1194, 1641, 1791, 1990, 2188, 2388, 2735, 2985, 3282, 3582, 3980, 4923, 5470, 5970, 6564, 7164, 8205, 8955, 9846, 10940, 11940, 16410, 17910, 19692, 24615, 32820, 35820, 49230, 98460, 108853, 217706, 326559, 435412, 544265, 653118, 979677, 1088530, 1306236, 1632795, 1959354, 2177060, 3265590, 3918708, 4898385, 6531180, 9796770, 19593540]

約数ペア:

[(1, 19593540), (2, 9796770), (3, 6531180), (4, 4898385), (5, 3918708), (6, 3265590), (9, 2177060), (10, 1959354), (12, 1632795), (15, 1306236), (18, 1088530), (20, 979677), (30, 653118), (36, 544265), (45, 435412), (60, 326559), (90, 217706), (180, 108853), (199, 98460), (398, 49230), (547, 35820), (597, 32820), (796, 24615), (995, 19692), (1094, 17910), (1194, 16410), (1641, 11940), (1791, 10940), (1990, 9846), (2188, 8955), (2388, 8205), (2735, 7164), (2985, 6564), (3282, 5970), (3582, 5470), (3980, 4923)]