18340280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3853}}^1$

素因数の和:3888

約数の個数: 64

約数和(自身を含む): 49947840

約数和(自身を除く): 31607560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 3853, 4760, 7706, 15412, 19265, 26971, 30824, 38530, 53942, 65501, 77060, 107884, 131002, 134855, 154120, 215768, 262004, 269710, 327505, 458507, 524008, 539420, 655010, 917014, 1078840, 1310020, 1834028, 2292535, 2620040, 3668056, 4585070, 9170140, 18340280]

約数ペア:

[(1, 18340280), (2, 9170140), (4, 4585070), (5, 3668056), (7, 2620040), (8, 2292535), (10, 1834028), (14, 1310020), (17, 1078840), (20, 917014), (28, 655010), (34, 539420), (35, 524008), (40, 458507), (56, 327505), (68, 269710), (70, 262004), (85, 215768), (119, 154120), (136, 134855), (140, 131002), (170, 107884), (238, 77060), (280, 65501), (340, 53942), (476, 38530), (595, 30824), (680, 26971), (952, 19265), (1190, 15412), (2380, 7706), (3853, 4760)]