16193420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 35495040

約数和(自身を除く): 19301620

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 277, 316, 370, 395, 554, 740, 790, 1108, 1385, 1580, 2770, 2923, 5540, 5846, 10249, 11692, 14615, 20498, 21883, 29230, 40996, 43766, 51245, 58460, 87532, 102490, 109415, 204980, 218830, 437660, 809671, 1619342, 3238684, 4048355, 8096710, 16193420]

約数ペア:

[(1, 16193420), (2, 8096710), (4, 4048355), (5, 3238684), (10, 1619342), (20, 809671), (37, 437660), (74, 218830), (79, 204980), (148, 109415), (158, 102490), (185, 87532), (277, 58460), (316, 51245), (370, 43766), (395, 40996), (554, 29230), (740, 21883), (790, 20498), (1108, 14615), (1385, 11692), (1580, 10249), (2770, 5846), (2923, 5540)]