19661140016

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{219707}}^1$

素因数の和:219786

約数の個数: 80

約数和(自身を含む): 47077272576

約数和(自身を除く): 27416132560

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 238, 272, 329, 376, 476, 658, 752, 799, 952, 1316, 1598, 1904, 2632, 3196, 5264, 5593, 6392, 11186, 12784, 22372, 44744, 89488, 219707, 439414, 878828, 1537949, 1757656, 3075898, 3515312, 3735019, 6151796, 7470038, 10326229, 12303592, 14940076, 20652458, 24607184, 26145133, 29880152, 41304916, 52290266, 59760304, 72283603, 82609832, 104580532, 144567206, 165219664, 175545893, 209161064, 289134412, 351091786, 418322128, 578268824, 702183572, 1156537648, 1228821251, 1404367144, 2457642502, 2808734288, 4915285004, 9830570008, 19661140016]

約数ペア:

[(1, 19661140016), (2, 9830570008), (4, 4915285004), (7, 2808734288), (8, 2457642502), (14, 1404367144), (16, 1228821251), (17, 1156537648), (28, 702183572), (34, 578268824), (47, 418322128), (56, 351091786), (68, 289134412), (94, 209161064), (112, 175545893), (119, 165219664), (136, 144567206), (188, 104580532), (238, 82609832), (272, 72283603), (329, 59760304), (376, 52290266), (476, 41304916), (658, 29880152), (752, 26145133), (799, 24607184), (952, 20652458), (1316, 14940076), (1598, 12303592), (1904, 10326229), (2632, 7470038), (3196, 6151796), (5264, 3735019), (5593, 3515312), (6392, 3075898), (11186, 1757656), (12784, 1537949), (22372, 878828), (44744, 439414), (89488, 219707)]