19480930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21887390

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 245, 415, 479, 490, 581, 830, 958, 1162, 2395, 2905, 3353, 4067, 4790, 5810, 6706, 8134, 16765, 20335, 23471, 33530, 39757, 40670, 46942, 79514, 117355, 198785, 234710, 278299, 397570, 556598, 1391495, 1948093, 2782990, 3896186, 9740465, 19480930]

約数ペア:

[(1, 19480930), (2, 9740465), (5, 3896186), (7, 2782990), (10, 1948093), (14, 1391495), (35, 556598), (49, 397570), (70, 278299), (83, 234710), (98, 198785), (166, 117355), (245, 79514), (415, 46942), (479, 40670), (490, 39757), (581, 33530), (830, 23471), (958, 20335), (1162, 16765), (2395, 8134), (2905, 6706), (3353, 5810), (4067, 4790)]