17806990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 36936000

約数和(自身を除く): 19129010

約数列:

[1, 2, 5, 10, 17, 19, 34, 37, 38, 74, 85, 95, 149, 170, 185, 190, 298, 323, 370, 629, 646, 703, 745, 1258, 1406, 1490, 1615, 2533, 2831, 3145, 3230, 3515, 5066, 5513, 5662, 6290, 7030, 11026, 11951, 12665, 14155, 23902, 25330, 27565, 28310, 48127, 55130, 59755, 93721, 96254, 104747, 119510, 187442, 209494, 240635, 468605, 481270, 523735, 937210, 1047470, 1780699, 3561398, 8903495, 17806990]

約数ペア:

[(1, 17806990), (2, 8903495), (5, 3561398), (10, 1780699), (17, 1047470), (19, 937210), (34, 523735), (37, 481270), (38, 468605), (74, 240635), (85, 209494), (95, 187442), (149, 119510), (170, 104747), (185, 96254), (190, 93721), (298, 59755), (323, 55130), (370, 48127), (629, 28310), (646, 27565), (703, 25330), (745, 23902), (1258, 14155), (1406, 12665), (1490, 11951), (1615, 11026), (2533, 7030), (2831, 6290), (3145, 5662), (3230, 5513), (3515, 5066)]