18986500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 46964736

約数和(自身を除く): 27978236

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 125, 127, 130, 230, 250, 254, 260, 299, 325, 460, 500, 508, 575, 598, 635, 650, 1150, 1196, 1270, 1300, 1495, 1625, 1651, 2300, 2540, 2875, 2921, 2990, 3175, 3250, 3302, 5750, 5842, 5980, 6350, 6500, 6604, 7475, 8255, 11500, 11684, 12700, 14605, 14950, 15875, 16510, 29210, 29900, 31750, 33020, 37375, 37973, 41275, 58420, 63500, 73025, 74750, 75946, 82550, 146050, 149500, 151892, 165100, 189865, 206375, 292100, 365125, 379730, 412750, 730250, 759460, 825500, 949325, 1460500, 1898650, 3797300, 4746625, 9493250, 18986500]

約数ペア:

[(1, 18986500), (2, 9493250), (4, 4746625), (5, 3797300), (10, 1898650), (13, 1460500), (20, 949325), (23, 825500), (25, 759460), (26, 730250), (46, 412750), (50, 379730), (52, 365125), (65, 292100), (92, 206375), (100, 189865), (115, 165100), (125, 151892), (127, 149500), (130, 146050), (230, 82550), (250, 75946), (254, 74750), (260, 73025), (299, 63500), (325, 58420), (460, 41275), (500, 37973), (508, 37375), (575, 33020), (598, 31750), (635, 29900), (650, 29210), (1150, 16510), (1196, 15875), (1270, 14950), (1300, 14605), (1495, 12700), (1625, 11684), (1651, 11500), (2300, 8255), (2540, 7475), (2875, 6604), (2921, 6500), (2990, 6350), (3175, 5980), (3250, 5842), (3302, 5750)]