19838650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 41497344

約数和(自身を除く): 21658694

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1327, 1495, 2654, 2990, 6635, 7475, 13270, 14950, 17251, 30521, 33175, 34502, 61042, 66350, 86255, 152605, 172510, 305210, 396773, 431275, 763025, 793546, 862550, 1526050, 1983865, 3967730, 9919325, 19838650]

約数ペア:

[(1, 19838650), (2, 9919325), (5, 3967730), (10, 1983865), (13, 1526050), (23, 862550), (25, 793546), (26, 763025), (46, 431275), (50, 396773), (65, 305210), (115, 172510), (130, 152605), (230, 86255), (299, 66350), (325, 61042), (575, 34502), (598, 33175), (650, 30521), (1150, 17251), (1327, 14950), (1495, 13270), (2654, 7475), (2990, 6635)]