18702955310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{41981}}^1$

素因数の和:42173

約数の個数: 64

約数和(自身を含む): 38086070400

約数和(自身を除く): 19383115090

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 149, 230, 298, 299, 598, 745, 1490, 1495, 1937, 2990, 3427, 3874, 6854, 9685, 17135, 19370, 34270, 41981, 44551, 83962, 89102, 209905, 222755, 419810, 445510, 545753, 965563, 1091506, 1931126, 2728765, 4827815, 5457530, 6255169, 9655630, 12510338, 12552319, 25104638, 31275845, 62551690, 62761595, 81317197, 125523190, 143868887, 162634394, 287737774, 406585985, 719344435, 813171970, 1438688870, 1870295531, 3740591062, 9351477655, 18702955310]

約数ペア:

[(1, 18702955310), (2, 9351477655), (5, 3740591062), (10, 1870295531), (13, 1438688870), (23, 813171970), (26, 719344435), (46, 406585985), (65, 287737774), (115, 162634394), (130, 143868887), (149, 125523190), (230, 81317197), (298, 62761595), (299, 62551690), (598, 31275845), (745, 25104638), (1490, 12552319), (1495, 12510338), (1937, 9655630), (2990, 6255169), (3427, 5457530), (3874, 4827815), (6854, 2728765), (9685, 1931126), (17135, 1091506), (19370, 965563), (34270, 545753), (41981, 445510), (44551, 419810), (83962, 222755), (89102, 209905)]