19834750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 42456960

約数和(自身を除く): 22622210

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 359, 425, 442, 650, 718, 850, 1105, 1625, 1795, 2125, 2210, 3250, 3590, 4250, 4667, 5525, 6103, 8975, 9334, 11050, 12206, 17950, 23335, 27625, 30515, 44875, 46670, 55250, 61030, 79339, 89750, 116675, 152575, 158678, 233350, 305150, 396695, 583375, 762875, 793390, 1166750, 1525750, 1983475, 3966950, 9917375, 19834750]

約数ペア:

[(1, 19834750), (2, 9917375), (5, 3966950), (10, 1983475), (13, 1525750), (17, 1166750), (25, 793390), (26, 762875), (34, 583375), (50, 396695), (65, 305150), (85, 233350), (125, 158678), (130, 152575), (170, 116675), (221, 89750), (250, 79339), (325, 61030), (359, 55250), (425, 46670), (442, 44875), (650, 30515), (718, 27625), (850, 23335), (1105, 17950), (1625, 12206), (1795, 11050), (2125, 9334), (2210, 8975), (3250, 6103), (3590, 5525), (4250, 4667)]