15926388620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{577}}^1\times {\mathrm{3823}}^1$

素因数の和:4447

約数の個数: 72

約数和(自身を含む): 35368772544

約数和(自身を除く): 19442383924

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 577, 722, 1154, 1444, 1805, 2308, 2885, 3610, 3823, 5770, 7220, 7646, 10963, 11540, 15292, 19115, 21926, 38230, 43852, 54815, 72637, 76460, 109630, 145274, 208297, 219260, 290548, 363185, 416594, 726370, 833188, 1041485, 1380103, 1452740, 2082970, 2205871, 2760206, 4165940, 4411742, 5520412, 6900515, 8823484, 11029355, 13801030, 22058710, 27602060, 41911549, 44117420, 83823098, 167646196, 209557745, 419115490, 796319431, 838230980, 1592638862, 3185277724, 3981597155, 7963194310, 15926388620]

約数ペア:

[(1, 15926388620), (2, 7963194310), (4, 3981597155), (5, 3185277724), (10, 1592638862), (19, 838230980), (20, 796319431), (38, 419115490), (76, 209557745), (95, 167646196), (190, 83823098), (361, 44117420), (380, 41911549), (577, 27602060), (722, 22058710), (1154, 13801030), (1444, 11029355), (1805, 8823484), (2308, 6900515), (2885, 5520412), (3610, 4411742), (3823, 4165940), (5770, 2760206), (7220, 2205871), (7646, 2082970), (10963, 1452740), (11540, 1380103), (15292, 1041485), (19115, 833188), (21926, 726370), (38230, 416594), (43852, 363185), (54815, 290548), (72637, 219260), (76460, 208297), (109630, 145274)]