19238720

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1019}}^1$

素因数の和:1095

約数の個数: 56

約数和(自身を含む): 46634400

約数和(自身を除く): 27395680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1019, 1180, 1888, 2038, 2360, 3776, 4076, 4720, 5095, 8152, 9440, 10190, 16304, 18880, 20380, 32608, 40760, 60121, 65216, 81520, 120242, 163040, 240484, 300605, 326080, 480968, 601210, 961936, 1202420, 1923872, 2404840, 3847744, 4809680, 9619360, 19238720]

約数ペア:

[(1, 19238720), (2, 9619360), (4, 4809680), (5, 3847744), (8, 2404840), (10, 1923872), (16, 1202420), (20, 961936), (32, 601210), (40, 480968), (59, 326080), (64, 300605), (80, 240484), (118, 163040), (160, 120242), (236, 81520), (295, 65216), (320, 60121), (472, 40760), (590, 32608), (944, 20380), (1019, 18880), (1180, 16304), (1888, 10190), (2038, 9440), (2360, 8152), (3776, 5095), (4076, 4720)]