19919250

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 59754240

約数和(自身を除く): 39834990

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 125, 130, 135, 150, 195, 225, 227, 234, 250, 270, 325, 351, 375, 390, 450, 454, 585, 650, 675, 681, 702, 750, 975, 1125, 1135, 1170, 1350, 1362, 1625, 1755, 1950, 2043, 2250, 2270, 2925, 2951, 3250, 3375, 3405, 3510, 4086, 4875, 5675, 5850, 5902, 6129, 6750, 6810, 8775, 8853, 9750, 10215, 11350, 12258, 14625, 14755, 17025, 17550, 17706, 20430, 26559, 28375, 29250, 29510, 30645, 34050, 43875, 44265, 51075, 53118, 56750, 61290, 73775, 79677, 85125, 87750, 88530, 102150, 132795, 147550, 153225, 159354, 170250, 221325, 255375, 265590, 306450, 368875, 398385, 442650, 510750, 663975, 737750, 766125, 796770, 1106625, 1327950, 1532250, 1991925, 2213250, 3319875, 3983850, 6639750, 9959625, 19919250]

約数ペア:

[(1, 19919250), (2, 9959625), (3, 6639750), (5, 3983850), (6, 3319875), (9, 2213250), (10, 1991925), (13, 1532250), (15, 1327950), (18, 1106625), (25, 796770), (26, 766125), (27, 737750), (30, 663975), (39, 510750), (45, 442650), (50, 398385), (54, 368875), (65, 306450), (75, 265590), (78, 255375), (90, 221325), (117, 170250), (125, 159354), (130, 153225), (135, 147550), (150, 132795), (195, 102150), (225, 88530), (227, 87750), (234, 85125), (250, 79677), (270, 73775), (325, 61290), (351, 56750), (375, 53118), (390, 51075), (450, 44265), (454, 43875), (585, 34050), (650, 30645), (675, 29510), (681, 29250), (702, 28375), (750, 26559), (975, 20430), (1125, 17706), (1135, 17550), (1170, 17025), (1350, 14755), (1362, 14625), (1625, 12258), (1755, 11350), (1950, 10215), (2043, 9750), (2250, 8853), (2270, 8775), (2925, 6810), (2951, 6750), (3250, 6129), (3375, 5902), (3405, 5850), (3510, 5675), (4086, 4875)]