18448380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{907}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 56517552

約数和(自身を除く): 38069172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 907, 1017, 1130, 1356, 1695, 1814, 2034, 2260, 2721, 3390, 3628, 4068, 4535, 5085, 5442, 6780, 8163, 9070, 10170, 10884, 13605, 16326, 18140, 20340, 27210, 32652, 40815, 54420, 81630, 102491, 163260, 204982, 307473, 409964, 512455, 614946, 922419, 1024910, 1229892, 1537365, 1844838, 2049820, 3074730, 3689676, 4612095, 6149460, 9224190, 18448380]

約数ペア:

[(1, 18448380), (2, 9224190), (3, 6149460), (4, 4612095), (5, 3689676), (6, 3074730), (9, 2049820), (10, 1844838), (12, 1537365), (15, 1229892), (18, 1024910), (20, 922419), (30, 614946), (36, 512455), (45, 409964), (60, 307473), (90, 204982), (113, 163260), (180, 102491), (226, 81630), (339, 54420), (452, 40815), (565, 32652), (678, 27210), (907, 20340), (1017, 18140), (1130, 16326), (1356, 13605), (1695, 10884), (1814, 10170), (2034, 9070), (2260, 8163), (2721, 6780), (3390, 5442), (3628, 5085), (4068, 4535)]