19461760

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 28127360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 647, 752, 940, 1294, 1504, 1880, 2588, 3008, 3235, 3760, 5176, 6016, 6470, 7520, 10352, 12940, 15040, 20704, 25880, 30080, 30409, 41408, 51760, 60818, 82816, 103520, 121636, 152045, 207040, 243272, 304090, 414080, 486544, 608180, 973088, 1216360, 1946176, 2432720, 3892352, 4865440, 9730880, 19461760]

約数ペア:

[(1, 19461760), (2, 9730880), (4, 4865440), (5, 3892352), (8, 2432720), (10, 1946176), (16, 1216360), (20, 973088), (32, 608180), (40, 486544), (47, 414080), (64, 304090), (80, 243272), (94, 207040), (128, 152045), (160, 121636), (188, 103520), (235, 82816), (320, 60818), (376, 51760), (470, 41408), (640, 30409), (647, 30080), (752, 25880), (940, 20704), (1294, 15040), (1504, 12940), (1880, 10352), (2588, 7520), (3008, 6470), (3235, 6016), (3760, 5176)]