18398560

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1949}}^1$

素因数の和:2023

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 25827440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 1949, 2360, 3898, 4720, 7796, 9440, 9745, 15592, 19490, 31184, 38980, 62368, 77960, 114991, 155920, 229982, 311840, 459964, 574955, 919928, 1149910, 1839856, 2299820, 3679712, 4599640, 9199280, 18398560]

約数ペア:

[(1, 18398560), (2, 9199280), (4, 4599640), (5, 3679712), (8, 2299820), (10, 1839856), (16, 1149910), (20, 919928), (32, 574955), (40, 459964), (59, 311840), (80, 229982), (118, 155920), (160, 114991), (236, 77960), (295, 62368), (472, 38980), (590, 31184), (944, 19490), (1180, 15592), (1888, 9745), (1949, 9440), (2360, 7796), (3898, 4720)]