18384520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 53084160

約数和(自身を除く): 34699640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 127, 140, 154, 188, 220, 235, 254, 280, 308, 329, 376, 385, 440, 470, 508, 517, 616, 635, 658, 770, 889, 940, 1016, 1034, 1270, 1316, 1397, 1540, 1645, 1778, 1880, 2068, 2540, 2585, 2632, 2794, 3080, 3290, 3556, 3619, 4136, 4445, 5080, 5170, 5588, 5969, 6580, 6985, 7112, 7238, 8890, 9779, 10340, 11176, 11938, 13160, 13970, 14476, 17780, 18095, 19558, 20680, 23876, 27940, 28952, 29845, 35560, 36190, 39116, 41783, 47752, 48895, 55880, 59690, 65659, 72380, 78232, 83566, 97790, 119380, 131318, 144760, 167132, 195580, 208915, 238760, 262636, 328295, 334264, 391160, 417830, 459613, 525272, 656590, 835660, 919226, 1313180, 1671320, 1838452, 2298065, 2626360, 3676904, 4596130, 9192260, 18384520]

約数ペア:

[(1, 18384520), (2, 9192260), (4, 4596130), (5, 3676904), (7, 2626360), (8, 2298065), (10, 1838452), (11, 1671320), (14, 1313180), (20, 919226), (22, 835660), (28, 656590), (35, 525272), (40, 459613), (44, 417830), (47, 391160), (55, 334264), (56, 328295), (70, 262636), (77, 238760), (88, 208915), (94, 195580), (110, 167132), (127, 144760), (140, 131318), (154, 119380), (188, 97790), (220, 83566), (235, 78232), (254, 72380), (280, 65659), (308, 59690), (329, 55880), (376, 48895), (385, 47752), (440, 41783), (470, 39116), (508, 36190), (517, 35560), (616, 29845), (635, 28952), (658, 27940), (770, 23876), (889, 20680), (940, 19558), (1016, 18095), (1034, 17780), (1270, 14476), (1316, 13970), (1397, 13160), (1540, 11938), (1645, 11176), (1778, 10340), (1880, 9779), (2068, 8890), (2540, 7238), (2585, 7112), (2632, 6985), (2794, 6580), (3080, 5969), (3290, 5588), (3556, 5170), (3619, 5080), (4136, 4445)]