2019970218

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{51659}}^1$

素因数の和:51704

約数の個数: 64

約数和(自身を含む): 4959360000

約数和(自身を除く): 2939389782

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 686, 798, 931, 1029, 1862, 2058, 2793, 5586, 6517, 13034, 19551, 39102, 51659, 103318, 154977, 309954, 361613, 723226, 981521, 1084839, 1963042, 2169678, 2531291, 2944563, 5062582, 5889126, 6870647, 7593873, 13741294, 15187746, 17719037, 20611941, 35438074, 41223882, 48094529, 53157111, 96189058, 106314222, 144283587, 288567174, 336661703, 673323406, 1009985109, 2019970218]

約数ペア:

[(1, 2019970218), (2, 1009985109), (3, 673323406), (6, 336661703), (7, 288567174), (14, 144283587), (19, 106314222), (21, 96189058), (38, 53157111), (42, 48094529), (49, 41223882), (57, 35438074), (98, 20611941), (114, 17719037), (133, 15187746), (147, 13741294), (266, 7593873), (294, 6870647), (343, 5889126), (399, 5062582), (686, 2944563), (798, 2531291), (931, 2169678), (1029, 1963042), (1862, 1084839), (2058, 981521), (2793, 723226), (5586, 361613), (6517, 309954), (13034, 154977), (19551, 103318), (39102, 51659)]