17813380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 40670784

約数和(自身を除く): 22857404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 523, 524, 655, 1046, 1310, 1703, 2092, 2615, 2620, 3406, 5230, 6799, 6812, 8515, 10460, 13598, 17030, 27196, 33995, 34060, 67990, 68513, 135980, 137026, 274052, 342565, 685130, 890669, 1370260, 1781338, 3562676, 4453345, 8906690, 17813380]

約数ペア:

[(1, 17813380), (2, 8906690), (4, 4453345), (5, 3562676), (10, 1781338), (13, 1370260), (20, 890669), (26, 685130), (52, 342565), (65, 274052), (130, 137026), (131, 135980), (260, 68513), (262, 67990), (523, 34060), (524, 33995), (655, 27196), (1046, 17030), (1310, 13598), (1703, 10460), (2092, 8515), (2615, 6812), (2620, 6799), (3406, 5230)]