18247900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 44153424

約数和(自身を除く): 25905524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 100, 106, 110, 212, 220, 265, 275, 313, 530, 550, 583, 626, 1060, 1100, 1166, 1252, 1325, 1565, 2332, 2650, 2915, 3130, 3443, 5300, 5830, 6260, 6886, 7825, 11660, 13772, 14575, 15650, 16589, 17215, 29150, 31300, 33178, 34430, 58300, 66356, 68860, 82945, 86075, 165890, 172150, 182479, 331780, 344300, 364958, 414725, 729916, 829450, 912395, 1658900, 1824790, 3649580, 4561975, 9123950, 18247900]

約数ペア:

[(1, 18247900), (2, 9123950), (4, 4561975), (5, 3649580), (10, 1824790), (11, 1658900), (20, 912395), (22, 829450), (25, 729916), (44, 414725), (50, 364958), (53, 344300), (55, 331780), (100, 182479), (106, 172150), (110, 165890), (212, 86075), (220, 82945), (265, 68860), (275, 66356), (313, 58300), (530, 34430), (550, 33178), (583, 31300), (626, 29150), (1060, 17215), (1100, 16589), (1166, 15650), (1252, 14575), (1325, 13772), (1565, 11660), (2332, 7825), (2650, 6886), (2915, 6260), (3130, 5830), (3443, 5300)]