18376540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 49674240

約数和(自身を除く): 31297700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 439, 455, 460, 598, 644, 805, 878, 910, 1196, 1495, 1610, 1756, 1820, 2093, 2195, 2990, 3073, 3220, 4186, 4390, 5707, 5980, 6146, 8372, 8780, 10097, 10465, 11414, 12292, 15365, 20194, 20930, 22828, 28535, 30730, 39949, 40388, 41860, 50485, 57070, 61460, 70679, 79898, 100970, 114140, 131261, 141358, 159796, 199745, 201940, 262522, 282716, 353395, 399490, 525044, 656305, 706790, 798980, 918827, 1312610, 1413580, 1837654, 2625220, 3675308, 4594135, 9188270, 18376540]

約数ペア:

[(1, 18376540), (2, 9188270), (4, 4594135), (5, 3675308), (7, 2625220), (10, 1837654), (13, 1413580), (14, 1312610), (20, 918827), (23, 798980), (26, 706790), (28, 656305), (35, 525044), (46, 399490), (52, 353395), (65, 282716), (70, 262522), (91, 201940), (92, 199745), (115, 159796), (130, 141358), (140, 131261), (161, 114140), (182, 100970), (230, 79898), (260, 70679), (299, 61460), (322, 57070), (364, 50485), (439, 41860), (455, 40388), (460, 39949), (598, 30730), (644, 28535), (805, 22828), (878, 20930), (910, 20194), (1196, 15365), (1495, 12292), (1610, 11414), (1756, 10465), (1820, 10097), (2093, 8780), (2195, 8372), (2990, 6146), (3073, 5980), (3220, 5707), (4186, 4390)]