18897112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 38530800

約数和(自身を除く): 19633688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1667, 2834, 3334, 5668, 6668, 11336, 13336, 21671, 43342, 86684, 173368, 181703, 363406, 726812, 1453624, 2362139, 4724278, 9448556, 18897112]

約数ペア:

[(1, 18897112), (2, 9448556), (4, 4724278), (8, 2362139), (13, 1453624), (26, 726812), (52, 363406), (104, 181703), (109, 173368), (218, 86684), (436, 43342), (872, 21671), (1417, 13336), (1667, 11336), (2834, 6668), (3334, 5668)]