19380340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{479}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 49512960

約数和(自身を除く): 30132620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 479, 578, 595, 958, 1156, 1190, 1445, 1916, 2023, 2380, 2395, 2890, 3353, 4046, 4790, 5780, 6706, 8092, 8143, 9580, 10115, 13412, 16286, 16765, 20230, 32572, 33530, 40460, 40715, 57001, 67060, 81430, 114002, 138431, 162860, 228004, 276862, 285005, 553724, 570010, 692155, 969017, 1140020, 1384310, 1938034, 2768620, 3876068, 4845085, 9690170, 19380340]

約数ペア:

[(1, 19380340), (2, 9690170), (4, 4845085), (5, 3876068), (7, 2768620), (10, 1938034), (14, 1384310), (17, 1140020), (20, 969017), (28, 692155), (34, 570010), (35, 553724), (68, 285005), (70, 276862), (85, 228004), (119, 162860), (140, 138431), (170, 114002), (238, 81430), (289, 67060), (340, 57001), (476, 40715), (479, 40460), (578, 33530), (595, 32572), (958, 20230), (1156, 16765), (1190, 16286), (1445, 13412), (1916, 10115), (2023, 9580), (2380, 8143), (2395, 8092), (2890, 6706), (3353, 5780), (4046, 4790)]