18043300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 43747200

約数和(自身を除く): 25703900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 349, 470, 517, 550, 698, 940, 1034, 1100, 1175, 1396, 1745, 2068, 2350, 2585, 3490, 3839, 4700, 5170, 6980, 7678, 8725, 10340, 12925, 15356, 16403, 17450, 19195, 25850, 32806, 34900, 38390, 51700, 65612, 76780, 82015, 95975, 164030, 180433, 191950, 328060, 360866, 383900, 410075, 721732, 820150, 902165, 1640300, 1804330, 3608660, 4510825, 9021650, 18043300]

約数ペア:

[(1, 18043300), (2, 9021650), (4, 4510825), (5, 3608660), (10, 1804330), (11, 1640300), (20, 902165), (22, 820150), (25, 721732), (44, 410075), (47, 383900), (50, 360866), (55, 328060), (94, 191950), (100, 180433), (110, 164030), (188, 95975), (220, 82015), (235, 76780), (275, 65612), (349, 51700), (470, 38390), (517, 34900), (550, 32806), (698, 25850), (940, 19195), (1034, 17450), (1100, 16403), (1175, 15356), (1396, 12925), (1745, 10340), (2068, 8725), (2350, 7678), (2585, 6980), (3490, 5170), (3839, 4700)]