18598840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 46085760

約数和(自身を除く): 27486920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 761, 940, 1222, 1522, 1880, 2444, 3044, 3055, 3805, 4888, 6088, 6110, 7610, 9893, 12220, 15220, 19786, 24440, 30440, 35767, 39572, 49465, 71534, 79144, 98930, 143068, 178835, 197860, 286136, 357670, 395720, 464971, 715340, 929942, 1430680, 1859884, 2324855, 3719768, 4649710, 9299420, 18598840]

約数ペア:

[(1, 18598840), (2, 9299420), (4, 4649710), (5, 3719768), (8, 2324855), (10, 1859884), (13, 1430680), (20, 929942), (26, 715340), (40, 464971), (47, 395720), (52, 357670), (65, 286136), (94, 197860), (104, 178835), (130, 143068), (188, 98930), (235, 79144), (260, 71534), (376, 49465), (470, 39572), (520, 35767), (611, 30440), (761, 24440), (940, 19786), (1222, 15220), (1522, 12220), (1880, 9893), (2444, 7610), (3044, 6110), (3055, 6088), (3805, 4888)]