19916250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:185

約数の個数: 80

約数和(自身を含む): 51283584

約数和(自身を除く): 31367334

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 113, 125, 141, 150, 226, 235, 250, 282, 339, 375, 470, 565, 625, 678, 705, 750, 1130, 1175, 1250, 1410, 1695, 1875, 2350, 2825, 3390, 3525, 3750, 5311, 5650, 5875, 7050, 8475, 10622, 11750, 14125, 15933, 16950, 17625, 26555, 28250, 29375, 31866, 35250, 42375, 53110, 58750, 70625, 79665, 84750, 88125, 132775, 141250, 159330, 176250, 211875, 265550, 398325, 423750, 663875, 796650, 1327750, 1991625, 3319375, 3983250, 6638750, 9958125, 19916250]

約数ペア:

[(1, 19916250), (2, 9958125), (3, 6638750), (5, 3983250), (6, 3319375), (10, 1991625), (15, 1327750), (25, 796650), (30, 663875), (47, 423750), (50, 398325), (75, 265550), (94, 211875), (113, 176250), (125, 159330), (141, 141250), (150, 132775), (226, 88125), (235, 84750), (250, 79665), (282, 70625), (339, 58750), (375, 53110), (470, 42375), (565, 35250), (625, 31866), (678, 29375), (705, 28250), (750, 26555), (1130, 17625), (1175, 16950), (1250, 15933), (1410, 14125), (1695, 11750), (1875, 10622), (2350, 8475), (2825, 7050), (3390, 5875), (3525, 5650), (3750, 5311)]