18378700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 44528400

約数和(自身を除く): 26149700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 569, 646, 850, 950, 1138, 1292, 1615, 1700, 1900, 2276, 2845, 3230, 5690, 6460, 8075, 9673, 10811, 11380, 14225, 16150, 19346, 21622, 28450, 32300, 38692, 43244, 48365, 54055, 56900, 96730, 108110, 183787, 193460, 216220, 241825, 270275, 367574, 483650, 540550, 735148, 918935, 967300, 1081100, 1837870, 3675740, 4594675, 9189350, 18378700]

約数ペア:

[(1, 18378700), (2, 9189350), (4, 4594675), (5, 3675740), (10, 1837870), (17, 1081100), (19, 967300), (20, 918935), (25, 735148), (34, 540550), (38, 483650), (50, 367574), (68, 270275), (76, 241825), (85, 216220), (95, 193460), (100, 183787), (170, 108110), (190, 96730), (323, 56900), (340, 54055), (380, 48365), (425, 43244), (475, 38692), (569, 32300), (646, 28450), (850, 21622), (950, 19346), (1138, 16150), (1292, 14225), (1615, 11380), (1700, 10811), (1900, 9673), (2276, 8075), (2845, 6460), (3230, 5690)]