17961724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 38208240

約数和(自身を除く): 20246516

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 59, 68, 74, 118, 121, 148, 187, 236, 242, 374, 407, 484, 629, 649, 748, 814, 1003, 1258, 1298, 1628, 2006, 2057, 2183, 2516, 2596, 4012, 4114, 4366, 4477, 6919, 7139, 8228, 8732, 8954, 11033, 13838, 14278, 17908, 22066, 24013, 27676, 28556, 37111, 44132, 48026, 74222, 76109, 96052, 121363, 148444, 152218, 242726, 264143, 304436, 408221, 485452, 528286, 816442, 1056572, 1632884, 4490431, 8980862, 17961724]

約数ペア:

[(1, 17961724), (2, 8980862), (4, 4490431), (11, 1632884), (17, 1056572), (22, 816442), (34, 528286), (37, 485452), (44, 408221), (59, 304436), (68, 264143), (74, 242726), (118, 152218), (121, 148444), (148, 121363), (187, 96052), (236, 76109), (242, 74222), (374, 48026), (407, 44132), (484, 37111), (629, 28556), (649, 27676), (748, 24013), (814, 22066), (1003, 17908), (1258, 14278), (1298, 13838), (1628, 11033), (2006, 8954), (2057, 8732), (2183, 8228), (2516, 7139), (2596, 6919), (4012, 4477), (4114, 4366)]