18707416

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3671}}^1$

素因数の和:3704

約数の個数: 48

約数和(自身を含む): 43953840

約数和(自身を除く): 25246424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3671, 5096, 7342, 14684, 25697, 29368, 47723, 51394, 95446, 102788, 179879, 190892, 205576, 334061, 359758, 381784, 668122, 719516, 1336244, 1439032, 2338427, 2672488, 4676854, 9353708, 18707416]

約数ペア:

[(1, 18707416), (2, 9353708), (4, 4676854), (7, 2672488), (8, 2338427), (13, 1439032), (14, 1336244), (26, 719516), (28, 668122), (49, 381784), (52, 359758), (56, 334061), (91, 205576), (98, 190892), (104, 179879), (182, 102788), (196, 95446), (364, 51394), (392, 47723), (637, 29368), (728, 25697), (1274, 14684), (2548, 7342), (3671, 5096)]