18850873552

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{40237}}^1$

素因数の和:40388

約数の個数: 80

約数和(自身を含む): 43109383680

約数和(自身を除く): 24258510128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 89, 94, 112, 178, 188, 329, 356, 376, 623, 658, 712, 752, 1246, 1316, 1424, 2492, 2632, 4183, 4984, 5264, 8366, 9968, 16732, 29281, 33464, 40237, 58562, 66928, 80474, 117124, 160948, 234248, 281659, 321896, 468496, 563318, 643792, 1126636, 1891139, 2253272, 3581093, 3782278, 4506544, 7162186, 7564556, 13237973, 14324372, 15129112, 25067651, 26475946, 28648744, 30258224, 50135302, 52951892, 57297488, 100270604, 105903784, 168311371, 200541208, 211807568, 336622742, 401082416, 673245484, 1178179597, 1346490968, 2356359194, 2692981936, 4712718388, 9425436776, 18850873552]

約数ペア:

[(1, 18850873552), (2, 9425436776), (4, 4712718388), (7, 2692981936), (8, 2356359194), (14, 1346490968), (16, 1178179597), (28, 673245484), (47, 401082416), (56, 336622742), (89, 211807568), (94, 200541208), (112, 168311371), (178, 105903784), (188, 100270604), (329, 57297488), (356, 52951892), (376, 50135302), (623, 30258224), (658, 28648744), (712, 26475946), (752, 25067651), (1246, 15129112), (1316, 14324372), (1424, 13237973), (2492, 7564556), (2632, 7162186), (4183, 4506544), (4984, 3782278), (5264, 3581093), (8366, 2253272), (9968, 1891139), (16732, 1126636), (29281, 643792), (33464, 563318), (40237, 468496), (58562, 321896), (66928, 281659), (80474, 234248), (117124, 160948)]