18506720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 47029248

約数和(自身を除く): 28522528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 80, 92, 94, 107, 115, 160, 184, 188, 214, 230, 235, 368, 376, 428, 460, 470, 535, 736, 752, 856, 920, 940, 1070, 1081, 1504, 1712, 1840, 1880, 2140, 2162, 2461, 3424, 3680, 3760, 4280, 4324, 4922, 5029, 5405, 7520, 8560, 8648, 9844, 10058, 10810, 12305, 17120, 17296, 19688, 20116, 21620, 24610, 25145, 34592, 39376, 40232, 43240, 49220, 50290, 78752, 80464, 86480, 98440, 100580, 115667, 160928, 172960, 196880, 201160, 231334, 393760, 402320, 462668, 578335, 804640, 925336, 1156670, 1850672, 2313340, 3701344, 4626680, 9253360, 18506720]

約数ペア:

[(1, 18506720), (2, 9253360), (4, 4626680), (5, 3701344), (8, 2313340), (10, 1850672), (16, 1156670), (20, 925336), (23, 804640), (32, 578335), (40, 462668), (46, 402320), (47, 393760), (80, 231334), (92, 201160), (94, 196880), (107, 172960), (115, 160928), (160, 115667), (184, 100580), (188, 98440), (214, 86480), (230, 80464), (235, 78752), (368, 50290), (376, 49220), (428, 43240), (460, 40232), (470, 39376), (535, 34592), (736, 25145), (752, 24610), (856, 21620), (920, 20116), (940, 19688), (1070, 17296), (1081, 17120), (1504, 12305), (1712, 10810), (1840, 10058), (1880, 9844), (2140, 8648), (2162, 8560), (2461, 7520), (3424, 5405), (3680, 5029), (3760, 4922), (4280, 4324)]