19171938220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{2539}}^1$

素因数の和:3239

約数の個数: 96

約数和(自身を含む): 43832678400

約数和(自身を除く): 24660740180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 641, 1178, 1282, 2356, 2539, 2564, 2945, 3205, 5078, 5890, 6410, 10156, 11780, 12179, 12695, 12820, 19871, 24358, 25390, 39742, 48241, 48716, 50780, 60895, 78709, 79484, 96482, 99355, 121790, 157418, 192964, 198710, 241205, 243580, 314836, 377549, 393545, 397420, 482410, 755098, 787090, 964820, 1495471, 1510196, 1574180, 1627499, 1887745, 2990942, 3254998, 3775490, 5981884, 6509996, 7477355, 7550980, 8137495, 14954710, 16274990, 29909420, 30922481, 32549980, 50452469, 61844962, 100904938, 123689924, 154612405, 201809876, 252262345, 309224810, 504524690, 618449620, 958596911, 1009049380, 1917193822, 3834387644, 4792984555, 9585969110, 19171938220]

約数ペア:

[(1, 19171938220), (2, 9585969110), (4, 4792984555), (5, 3834387644), (10, 1917193822), (19, 1009049380), (20, 958596911), (31, 618449620), (38, 504524690), (62, 309224810), (76, 252262345), (95, 201809876), (124, 154612405), (155, 123689924), (190, 100904938), (310, 61844962), (380, 50452469), (589, 32549980), (620, 30922481), (641, 29909420), (1178, 16274990), (1282, 14954710), (2356, 8137495), (2539, 7550980), (2564, 7477355), (2945, 6509996), (3205, 5981884), (5078, 3775490), (5890, 3254998), (6410, 2990942), (10156, 1887745), (11780, 1627499), (12179, 1574180), (12695, 1510196), (12820, 1495471), (19871, 964820), (24358, 787090), (25390, 755098), (39742, 482410), (48241, 397420), (48716, 393545), (50780, 377549), (60895, 314836), (78709, 243580), (79484, 241205), (96482, 198710), (99355, 192964), (121790, 157418)]