17918230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 37558080

約数和(自身を除く): 19639850

約数列:

[1, 2, 5, 10, 11, 22, 29, 41, 55, 58, 82, 110, 137, 145, 205, 274, 290, 319, 410, 451, 638, 685, 902, 1189, 1370, 1507, 1595, 2255, 2378, 3014, 3190, 3973, 4510, 5617, 5945, 7535, 7946, 11234, 11890, 13079, 15070, 19865, 26158, 28085, 39730, 43703, 56170, 61787, 65395, 87406, 123574, 130790, 162893, 218515, 308935, 325786, 437030, 617870, 814465, 1628930, 1791823, 3583646, 8959115, 17918230]

約数ペア:

[(1, 17918230), (2, 8959115), (5, 3583646), (10, 1791823), (11, 1628930), (22, 814465), (29, 617870), (41, 437030), (55, 325786), (58, 308935), (82, 218515), (110, 162893), (137, 130790), (145, 123574), (205, 87406), (274, 65395), (290, 61787), (319, 56170), (410, 43703), (451, 39730), (638, 28085), (685, 26158), (902, 19865), (1189, 15070), (1370, 13079), (1507, 11890), (1595, 11234), (2255, 7946), (2378, 7535), (3014, 5945), (3190, 5617), (3973, 4510)]