18280812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 32280468

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 37, 38, 44, 57, 66, 74, 76, 111, 114, 132, 148, 197, 209, 222, 228, 394, 407, 418, 444, 591, 627, 703, 788, 814, 836, 1182, 1221, 1254, 1406, 1628, 2109, 2167, 2364, 2442, 2508, 2812, 3743, 4218, 4334, 4884, 6501, 7289, 7486, 7733, 8436, 8668, 11229, 13002, 14578, 14972, 15466, 21867, 22458, 23199, 26004, 29156, 30932, 41173, 43734, 44916, 46398, 80179, 82346, 87468, 92796, 123519, 138491, 160358, 164692, 240537, 247038, 276982, 320716, 415473, 481074, 494076, 553964, 830946, 962148, 1523401, 1661892, 3046802, 4570203, 6093604, 9140406, 18280812]

約数ペア:

[(1, 18280812), (2, 9140406), (3, 6093604), (4, 4570203), (6, 3046802), (11, 1661892), (12, 1523401), (19, 962148), (22, 830946), (33, 553964), (37, 494076), (38, 481074), (44, 415473), (57, 320716), (66, 276982), (74, 247038), (76, 240537), (111, 164692), (114, 160358), (132, 138491), (148, 123519), (197, 92796), (209, 87468), (222, 82346), (228, 80179), (394, 46398), (407, 44916), (418, 43734), (444, 41173), (591, 30932), (627, 29156), (703, 26004), (788, 23199), (814, 22458), (836, 21867), (1182, 15466), (1221, 14972), (1254, 14578), (1406, 13002), (1628, 11229), (2109, 8668), (2167, 8436), (2364, 7733), (2442, 7486), (2508, 7289), (2812, 6501), (3743, 4884), (4218, 4334)]