18734940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14869}}^1$

素因数の和:14891

約数の個数: 72

約数和(自身を含む): 64952160

約数和(自身を除く): 46217220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14869, 29738, 44607, 59476, 74345, 89214, 104083, 133821, 148690, 178428, 208166, 223035, 267642, 297380, 312249, 416332, 446070, 520415, 535284, 624498, 669105, 892140, 936747, 1040830, 1248996, 1338210, 1561245, 1873494, 2081660, 2676420, 3122490, 3746988, 4683735, 6244980, 9367470, 18734940]

約数ペア:

[(1, 18734940), (2, 9367470), (3, 6244980), (4, 4683735), (5, 3746988), (6, 3122490), (7, 2676420), (9, 2081660), (10, 1873494), (12, 1561245), (14, 1338210), (15, 1248996), (18, 1040830), (20, 936747), (21, 892140), (28, 669105), (30, 624498), (35, 535284), (36, 520415), (42, 446070), (45, 416332), (60, 312249), (63, 297380), (70, 267642), (84, 223035), (90, 208166), (105, 178428), (126, 148690), (140, 133821), (180, 104083), (210, 89214), (252, 74345), (315, 59476), (420, 44607), (630, 29738), (1260, 14869)]