19168850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 18328750

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 83, 149, 155, 166, 298, 310, 415, 745, 775, 830, 1490, 1550, 2075, 2573, 3725, 4150, 4619, 5146, 7450, 9238, 12367, 12865, 23095, 24734, 25730, 46190, 61835, 64325, 115475, 123670, 128650, 230950, 309175, 383377, 618350, 766754, 1916885, 3833770, 9584425, 19168850]

約数ペア:

[(1, 19168850), (2, 9584425), (5, 3833770), (10, 1916885), (25, 766754), (31, 618350), (50, 383377), (62, 309175), (83, 230950), (149, 128650), (155, 123670), (166, 115475), (298, 64325), (310, 61835), (415, 46190), (745, 25730), (775, 24734), (830, 23095), (1490, 12865), (1550, 12367), (2075, 9238), (2573, 7450), (3725, 5146), (4150, 4619)]