20182886516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 108

約数和(自身を含む): 40059923904

約数和(自身を除く): 19877037388

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 131, 169, 262, 271, 338, 377, 524, 542, 676, 754, 841, 1084, 1508, 1682, 1703, 3364, 3406, 3523, 3799, 4901, 6812, 7046, 7598, 7859, 9802, 10933, 14092, 15196, 15718, 19604, 21866, 22139, 31436, 35501, 43732, 44278, 45799, 49387, 71002, 88556, 91598, 98774, 102167, 110171, 142004, 142129, 183196, 197548, 204334, 220342, 227911, 284258, 408668, 440684, 455822, 461513, 568516, 642031, 911644, 923026, 1029529, 1284062, 1328171, 1432223, 1846052, 2059058, 2568124, 2656342, 2864446, 2962843, 4118116, 5312684, 5728892, 5925686, 5999669, 11851372, 11999338, 13383877, 18618899, 23998676, 26767754, 29856341, 37237798, 38516959, 53535508, 59712682, 74475596, 77033918, 119425364, 154067836, 173990401, 347980802, 388132433, 695961604, 776264866, 1552529732, 5045721629, 10091443258, 20182886516]

約数ペア:

[(1, 20182886516), (2, 10091443258), (4, 5045721629), (13, 1552529732), (26, 776264866), (29, 695961604), (52, 388132433), (58, 347980802), (116, 173990401), (131, 154067836), (169, 119425364), (262, 77033918), (271, 74475596), (338, 59712682), (377, 53535508), (524, 38516959), (542, 37237798), (676, 29856341), (754, 26767754), (841, 23998676), (1084, 18618899), (1508, 13383877), (1682, 11999338), (1703, 11851372), (3364, 5999669), (3406, 5925686), (3523, 5728892), (3799, 5312684), (4901, 4118116), (6812, 2962843), (7046, 2864446), (7598, 2656342), (7859, 2568124), (9802, 2059058), (10933, 1846052), (14092, 1432223), (15196, 1328171), (15718, 1284062), (19604, 1029529), (21866, 923026), (22139, 911644), (31436, 642031), (35501, 568516), (43732, 461513), (44278, 455822), (45799, 440684), (49387, 408668), (71002, 284258), (88556, 227911), (91598, 220342), (98774, 204334), (102167, 197548), (110171, 183196), (142004, 142129)]