19140720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 59808672

約数和(自身を除く): 40667952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 461, 519, 692, 865, 922, 1038, 1383, 1384, 1730, 1844, 2076, 2305, 2595, 2766, 2768, 3460, 3688, 4152, 4610, 5190, 5532, 6915, 6920, 7376, 8304, 9220, 10380, 11064, 13830, 13840, 18440, 20760, 22128, 27660, 36880, 41520, 55320, 79753, 110640, 159506, 239259, 319012, 398765, 478518, 638024, 797530, 957036, 1196295, 1276048, 1595060, 1914072, 2392590, 3190120, 3828144, 4785180, 6380240, 9570360, 19140720]

約数ペア:

[(1, 19140720), (2, 9570360), (3, 6380240), (4, 4785180), (5, 3828144), (6, 3190120), (8, 2392590), (10, 1914072), (12, 1595060), (15, 1276048), (16, 1196295), (20, 957036), (24, 797530), (30, 638024), (40, 478518), (48, 398765), (60, 319012), (80, 239259), (120, 159506), (173, 110640), (240, 79753), (346, 55320), (461, 41520), (519, 36880), (692, 27660), (865, 22128), (922, 20760), (1038, 18440), (1383, 13840), (1384, 13830), (1730, 11064), (1844, 10380), (2076, 9220), (2305, 8304), (2595, 7376), (2766, 6920), (2768, 6915), (3460, 5532), (3688, 5190), (4152, 4610)]