18529750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 19209770

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 83, 94, 95, 125, 166, 190, 235, 250, 415, 470, 475, 830, 893, 950, 1175, 1577, 1786, 2075, 2350, 2375, 3154, 3901, 4150, 4465, 4750, 5875, 7802, 7885, 8930, 10375, 11750, 15770, 19505, 20750, 22325, 39010, 39425, 44650, 74119, 78850, 97525, 111625, 148238, 195050, 197125, 223250, 370595, 394250, 487625, 741190, 975250, 1852975, 3705950, 9264875, 18529750]

約数ペア:

[(1, 18529750), (2, 9264875), (5, 3705950), (10, 1852975), (19, 975250), (25, 741190), (38, 487625), (47, 394250), (50, 370595), (83, 223250), (94, 197125), (95, 195050), (125, 148238), (166, 111625), (190, 97525), (235, 78850), (250, 74119), (415, 44650), (470, 39425), (475, 39010), (830, 22325), (893, 20750), (950, 19505), (1175, 15770), (1577, 11750), (1786, 10375), (2075, 8930), (2350, 7885), (2375, 7802), (3154, 5875), (3901, 4750), (4150, 4465)]