18805060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 26917820

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 41, 68, 71, 76, 82, 85, 95, 142, 164, 170, 190, 205, 284, 323, 340, 355, 380, 410, 646, 697, 710, 779, 820, 1207, 1292, 1349, 1394, 1420, 1558, 1615, 2414, 2698, 2788, 2911, 3116, 3230, 3485, 3895, 4828, 5396, 5822, 6035, 6460, 6745, 6970, 7790, 11644, 12070, 13243, 13490, 13940, 14555, 15580, 22933, 24140, 26486, 26980, 29110, 45866, 49487, 52972, 55309, 58220, 66215, 91732, 98974, 110618, 114665, 132430, 197948, 221236, 229330, 247435, 264860, 276545, 458660, 494870, 553090, 940253, 989740, 1106180, 1880506, 3761012, 4701265, 9402530, 18805060]

約数ペア:

[(1, 18805060), (2, 9402530), (4, 4701265), (5, 3761012), (10, 1880506), (17, 1106180), (19, 989740), (20, 940253), (34, 553090), (38, 494870), (41, 458660), (68, 276545), (71, 264860), (76, 247435), (82, 229330), (85, 221236), (95, 197948), (142, 132430), (164, 114665), (170, 110618), (190, 98974), (205, 91732), (284, 66215), (323, 58220), (340, 55309), (355, 52972), (380, 49487), (410, 45866), (646, 29110), (697, 26980), (710, 26486), (779, 24140), (820, 22933), (1207, 15580), (1292, 14555), (1349, 13940), (1394, 13490), (1420, 13243), (1558, 12070), (1615, 11644), (2414, 7790), (2698, 6970), (2788, 6745), (2911, 6460), (3116, 6035), (3230, 5822), (3485, 5396), (3895, 4828)]