18351340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6899}}^1$

素因数の和:6934

約数の個数: 48

約数和(自身を含む): 46368000

約数和(自身を除く): 28016660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6899, 13798, 27596, 34495, 48293, 68990, 96586, 131081, 137980, 193172, 241465, 262162, 482930, 524324, 655405, 917567, 965860, 1310810, 1835134, 2621620, 3670268, 4587835, 9175670, 18351340]

約数ペア:

[(1, 18351340), (2, 9175670), (4, 4587835), (5, 3670268), (7, 2621620), (10, 1835134), (14, 1310810), (19, 965860), (20, 917567), (28, 655405), (35, 524324), (38, 482930), (70, 262162), (76, 241465), (95, 193172), (133, 137980), (140, 131081), (190, 96586), (266, 68990), (380, 48293), (532, 34495), (665, 27596), (1330, 13798), (2660, 6899)]