20181937804

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{2153}}^1$

素因数の和:2647

約数の個数: 96

約数和(自身を含む): 43772037120

約数和(自身を除く): 23590099316

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 419, 476, 658, 799, 838, 1316, 1598, 1676, 2153, 2933, 3196, 4306, 5593, 5866, 7123, 8612, 11186, 11732, 14246, 15071, 19693, 22372, 28492, 30142, 36601, 39386, 49861, 60284, 73202, 78772, 99722, 101191, 137851, 146404, 199444, 202382, 256207, 275702, 334781, 404764, 512414, 551404, 669562, 708337, 902107, 1024828, 1339124, 1416674, 1720247, 1804214, 2343467, 2833348, 3440494, 3608428, 4686934, 6314749, 6880988, 9373868, 12041729, 12629498, 15335819, 24083458, 25258996, 30671638, 42399029, 48166916, 61343276, 84798058, 107350733, 169596116, 214701466, 296793203, 429402932, 593586406, 720783493, 1187172812, 1441566986, 2883133972, 5045484451, 10090968902, 20181937804]

約数ペア:

[(1, 20181937804), (2, 10090968902), (4, 5045484451), (7, 2883133972), (14, 1441566986), (17, 1187172812), (28, 720783493), (34, 593586406), (47, 429402932), (68, 296793203), (94, 214701466), (119, 169596116), (188, 107350733), (238, 84798058), (329, 61343276), (419, 48166916), (476, 42399029), (658, 30671638), (799, 25258996), (838, 24083458), (1316, 15335819), (1598, 12629498), (1676, 12041729), (2153, 9373868), (2933, 6880988), (3196, 6314749), (4306, 4686934), (5593, 3608428), (5866, 3440494), (7123, 2833348), (8612, 2343467), (11186, 1804214), (11732, 1720247), (14246, 1416674), (15071, 1339124), (19693, 1024828), (22372, 902107), (28492, 708337), (30142, 669562), (36601, 551404), (39386, 512414), (49861, 404764), (60284, 334781), (73202, 275702), (78772, 256207), (99722, 202382), (101191, 199444), (137851, 146404)]