19821900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9439}}^1$

素因数の和:9463

約数の個数: 72

約数和(自身を含む): 65551360

約数和(自身を除く): 45729460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9439, 18878, 28317, 37756, 47195, 56634, 66073, 94390, 113268, 132146, 141585, 188780, 198219, 235975, 264292, 283170, 330365, 396438, 471950, 566340, 660730, 707925, 792876, 943900, 991095, 1321460, 1415850, 1651825, 1982190, 2831700, 3303650, 3964380, 4955475, 6607300, 9910950, 19821900]

約数ペア:

[(1, 19821900), (2, 9910950), (3, 6607300), (4, 4955475), (5, 3964380), (6, 3303650), (7, 2831700), (10, 1982190), (12, 1651825), (14, 1415850), (15, 1321460), (20, 991095), (21, 943900), (25, 792876), (28, 707925), (30, 660730), (35, 566340), (42, 471950), (50, 396438), (60, 330365), (70, 283170), (75, 264292), (84, 235975), (100, 198219), (105, 188780), (140, 141585), (150, 132146), (175, 113268), (210, 94390), (300, 66073), (350, 56634), (420, 47195), (525, 37756), (700, 28317), (1050, 18878), (2100, 9439)]