18509250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 51217920

約数和(自身を除く): 32708670

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 29, 30, 37, 46, 50, 58, 69, 74, 75, 87, 111, 115, 125, 138, 145, 150, 174, 185, 222, 230, 250, 290, 345, 370, 375, 435, 555, 575, 667, 690, 725, 750, 851, 870, 925, 1073, 1110, 1150, 1334, 1450, 1702, 1725, 1850, 2001, 2146, 2175, 2553, 2775, 2875, 3219, 3335, 3450, 3625, 4002, 4255, 4350, 4625, 5106, 5365, 5550, 5750, 6438, 6670, 7250, 8510, 8625, 9250, 10005, 10730, 10875, 12765, 13875, 16095, 16675, 17250, 20010, 21275, 21750, 24679, 25530, 26825, 27750, 32190, 33350, 42550, 49358, 50025, 53650, 63825, 74037, 80475, 83375, 100050, 106375, 123395, 127650, 134125, 148074, 160950, 166750, 212750, 246790, 250125, 268250, 319125, 370185, 402375, 500250, 616975, 638250, 740370, 804750, 1233950, 1850925, 3084875, 3701850, 6169750, 9254625, 18509250]

約数ペア:

[(1, 18509250), (2, 9254625), (3, 6169750), (5, 3701850), (6, 3084875), (10, 1850925), (15, 1233950), (23, 804750), (25, 740370), (29, 638250), (30, 616975), (37, 500250), (46, 402375), (50, 370185), (58, 319125), (69, 268250), (74, 250125), (75, 246790), (87, 212750), (111, 166750), (115, 160950), (125, 148074), (138, 134125), (145, 127650), (150, 123395), (174, 106375), (185, 100050), (222, 83375), (230, 80475), (250, 74037), (290, 63825), (345, 53650), (370, 50025), (375, 49358), (435, 42550), (555, 33350), (575, 32190), (667, 27750), (690, 26825), (725, 25530), (750, 24679), (851, 21750), (870, 21275), (925, 20010), (1073, 17250), (1110, 16675), (1150, 16095), (1334, 13875), (1450, 12765), (1702, 10875), (1725, 10730), (1850, 10005), (2001, 9250), (2146, 8625), (2175, 8510), (2553, 7250), (2775, 6670), (2875, 6438), (3219, 5750), (3335, 5550), (3450, 5365), (3625, 5106), (4002, 4625), (4255, 4350)]