16818508

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 36106560

約数和(自身を除く): 19288052

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 356, 397, 476, 623, 794, 1246, 1513, 1588, 2492, 2779, 3026, 5558, 6052, 6749, 10591, 11116, 13498, 21182, 26996, 35333, 42364, 47243, 70666, 94486, 141332, 188972, 247331, 494662, 600661, 989324, 1201322, 2402644, 4204627, 8409254, 16818508]

約数ペア:

[(1, 16818508), (2, 8409254), (4, 4204627), (7, 2402644), (14, 1201322), (17, 989324), (28, 600661), (34, 494662), (68, 247331), (89, 188972), (119, 141332), (178, 94486), (238, 70666), (356, 47243), (397, 42364), (476, 35333), (623, 26996), (794, 21182), (1246, 13498), (1513, 11116), (1588, 10591), (2492, 6749), (2779, 6052), (3026, 5558)]