17854460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 41343456

約数和(自身を除く): 23488996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1597, 2236, 2795, 3194, 5590, 6388, 7985, 11180, 15970, 20761, 31940, 41522, 68671, 83044, 103805, 137342, 207610, 274684, 343355, 415220, 686710, 892723, 1373420, 1785446, 3570892, 4463615, 8927230, 17854460]

約数ペア:

[(1, 17854460), (2, 8927230), (4, 4463615), (5, 3570892), (10, 1785446), (13, 1373420), (20, 892723), (26, 686710), (43, 415220), (52, 343355), (65, 274684), (86, 207610), (130, 137342), (172, 103805), (215, 83044), (260, 68671), (430, 41522), (559, 31940), (860, 20761), (1118, 15970), (1597, 11180), (2236, 7985), (2795, 6388), (3194, 5590)]