18899274

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 23678646

約数列:

[1, 2, 3, 6, 17, 31, 34, 43, 51, 62, 86, 93, 102, 129, 139, 186, 258, 278, 417, 527, 731, 834, 1054, 1333, 1462, 1581, 2193, 2363, 2666, 3162, 3999, 4309, 4386, 4726, 5977, 7089, 7998, 8618, 11954, 12927, 14178, 17931, 22661, 25854, 35862, 45322, 67983, 73253, 101609, 135966, 146506, 185287, 203218, 219759, 304827, 370574, 439518, 555861, 609654, 1111722, 3149879, 6299758, 9449637, 18899274]

約数ペア:

[(1, 18899274), (2, 9449637), (3, 6299758), (6, 3149879), (17, 1111722), (31, 609654), (34, 555861), (43, 439518), (51, 370574), (62, 304827), (86, 219759), (93, 203218), (102, 185287), (129, 146506), (139, 135966), (186, 101609), (258, 73253), (278, 67983), (417, 45322), (527, 35862), (731, 25854), (834, 22661), (1054, 17931), (1333, 14178), (1462, 12927), (1581, 11954), (2193, 8618), (2363, 7998), (2666, 7089), (3162, 5977), (3999, 4726), (4309, 4386)]