19907706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 52230528

約数和(自身を除く): 32322822

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 101, 114, 133, 182, 202, 247, 266, 273, 303, 361, 399, 494, 546, 606, 707, 722, 741, 798, 1083, 1313, 1414, 1482, 1729, 1919, 2121, 2166, 2527, 2626, 3458, 3838, 3939, 4242, 4693, 5054, 5187, 5757, 7581, 7878, 9191, 9386, 10374, 11514, 13433, 14079, 15162, 18382, 24947, 26866, 27573, 28158, 32851, 36461, 40299, 49894, 55146, 65702, 72922, 74841, 80598, 98553, 109383, 149682, 174629, 197106, 218766, 255227, 349258, 473993, 510454, 523887, 765681, 947986, 1047774, 1421979, 1531362, 2843958, 3317951, 6635902, 9953853, 19907706]

約数ペア:

[(1, 19907706), (2, 9953853), (3, 6635902), (6, 3317951), (7, 2843958), (13, 1531362), (14, 1421979), (19, 1047774), (21, 947986), (26, 765681), (38, 523887), (39, 510454), (42, 473993), (57, 349258), (78, 255227), (91, 218766), (101, 197106), (114, 174629), (133, 149682), (182, 109383), (202, 98553), (247, 80598), (266, 74841), (273, 72922), (303, 65702), (361, 55146), (399, 49894), (494, 40299), (546, 36461), (606, 32851), (707, 28158), (722, 27573), (741, 26866), (798, 24947), (1083, 18382), (1313, 15162), (1414, 14079), (1482, 13433), (1729, 11514), (1919, 10374), (2121, 9386), (2166, 9191), (2527, 7878), (2626, 7581), (3458, 5757), (3838, 5187), (3939, 5054), (4242, 4693)]