18360080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 46068480

約数和(自身を除く): 27708400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 257, 304, 376, 380, 470, 514, 752, 760, 893, 940, 1028, 1285, 1520, 1786, 1880, 2056, 2570, 3572, 3760, 4112, 4465, 4883, 5140, 7144, 8930, 9766, 10280, 12079, 14288, 17860, 19532, 20560, 24158, 24415, 35720, 39064, 48316, 48830, 60395, 71440, 78128, 96632, 97660, 120790, 193264, 195320, 229501, 241580, 390640, 459002, 483160, 918004, 966320, 1147505, 1836008, 2295010, 3672016, 4590020, 9180040, 18360080]

約数ペア:

[(1, 18360080), (2, 9180040), (4, 4590020), (5, 3672016), (8, 2295010), (10, 1836008), (16, 1147505), (19, 966320), (20, 918004), (38, 483160), (40, 459002), (47, 390640), (76, 241580), (80, 229501), (94, 195320), (95, 193264), (152, 120790), (188, 97660), (190, 96632), (235, 78128), (257, 71440), (304, 60395), (376, 48830), (380, 48316), (470, 39064), (514, 35720), (752, 24415), (760, 24158), (893, 20560), (940, 19532), (1028, 17860), (1285, 14288), (1520, 12079), (1786, 10280), (1880, 9766), (2056, 8930), (2570, 7144), (3572, 5140), (3760, 4883), (4112, 4465)]