19218840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9421}}^1$

素因数の和:9452

約数の個数: 64

約数和(自身を含む): 61054560

約数和(自身を除く): 41835720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9421, 18842, 28263, 37684, 47105, 56526, 75368, 94210, 113052, 141315, 160157, 188420, 226104, 282630, 320314, 376840, 480471, 565260, 640628, 800785, 960942, 1130520, 1281256, 1601570, 1921884, 2402355, 3203140, 3843768, 4804710, 6406280, 9609420, 19218840]

約数ペア:

[(1, 19218840), (2, 9609420), (3, 6406280), (4, 4804710), (5, 3843768), (6, 3203140), (8, 2402355), (10, 1921884), (12, 1601570), (15, 1281256), (17, 1130520), (20, 960942), (24, 800785), (30, 640628), (34, 565260), (40, 480471), (51, 376840), (60, 320314), (68, 282630), (85, 226104), (102, 188420), (120, 160157), (136, 141315), (170, 113052), (204, 94210), (255, 75368), (340, 56526), (408, 47105), (510, 37684), (680, 28263), (1020, 18842), (2040, 9421)]