18892100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11113}}^1$

素因数の和:11144

約数の個数: 36

約数和(自身を含む): 43411284

約数和(自身を除く): 24519184

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11113, 22226, 44452, 55565, 111130, 188921, 222260, 277825, 377842, 555650, 755684, 944605, 1111300, 1889210, 3778420, 4723025, 9446050, 18892100]

約数ペア:

[(1, 18892100), (2, 9446050), (4, 4723025), (5, 3778420), (10, 1889210), (17, 1111300), (20, 944605), (25, 755684), (34, 555650), (50, 377842), (68, 277825), (85, 222260), (100, 188921), (170, 111130), (340, 55565), (425, 44452), (850, 22226), (1700, 11113)]