19310080

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 80

約数和(自身を含む): 48858480

約数和(自身を除く): 29548400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 397, 512, 608, 640, 760, 794, 1216, 1280, 1520, 1588, 1985, 2432, 2560, 3040, 3176, 3970, 4864, 6080, 6352, 7543, 7940, 9728, 12160, 12704, 15086, 15880, 24320, 25408, 30172, 31760, 37715, 48640, 50816, 60344, 63520, 75430, 101632, 120688, 127040, 150860, 203264, 241376, 254080, 301720, 482752, 508160, 603440, 965504, 1016320, 1206880, 1931008, 2413760, 3862016, 4827520, 9655040, 19310080]

約数ペア:

[(1, 19310080), (2, 9655040), (4, 4827520), (5, 3862016), (8, 2413760), (10, 1931008), (16, 1206880), (19, 1016320), (20, 965504), (32, 603440), (38, 508160), (40, 482752), (64, 301720), (76, 254080), (80, 241376), (95, 203264), (128, 150860), (152, 127040), (160, 120688), (190, 101632), (256, 75430), (304, 63520), (320, 60344), (380, 50816), (397, 48640), (512, 37715), (608, 31760), (640, 30172), (760, 25408), (794, 24320), (1216, 15880), (1280, 15086), (1520, 12704), (1588, 12160), (1985, 9728), (2432, 7940), (2560, 7543), (3040, 6352), (3176, 6080), (3970, 4864)]