18302620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 44190720

約数和(自身を除く): 25888100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 547, 956, 1094, 1195, 1673, 2188, 2390, 2735, 3346, 3829, 4780, 5470, 6692, 7658, 8365, 10940, 15316, 16730, 19145, 33460, 38290, 76580, 130733, 261466, 522932, 653665, 915131, 1307330, 1830262, 2614660, 3660524, 4575655, 9151310, 18302620]

約数ペア:

[(1, 18302620), (2, 9151310), (4, 4575655), (5, 3660524), (7, 2614660), (10, 1830262), (14, 1307330), (20, 915131), (28, 653665), (35, 522932), (70, 261466), (140, 130733), (239, 76580), (478, 38290), (547, 33460), (956, 19145), (1094, 16730), (1195, 15316), (1673, 10940), (2188, 8365), (2390, 7658), (2735, 6692), (3346, 5470), (3829, 4780)]