18870306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 33384414

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 19, 21, 26, 34, 38, 39, 42, 51, 57, 78, 91, 102, 107, 114, 119, 133, 182, 214, 221, 238, 247, 266, 273, 321, 323, 357, 399, 442, 494, 546, 642, 646, 663, 714, 741, 749, 798, 969, 1326, 1391, 1482, 1498, 1547, 1729, 1819, 1938, 2033, 2247, 2261, 2782, 3094, 3458, 3638, 4066, 4173, 4199, 4494, 4522, 4641, 5187, 5457, 6099, 6783, 8346, 8398, 9282, 9737, 10374, 10914, 12198, 12597, 12733, 13566, 14231, 19474, 23647, 25194, 25466, 26429, 28462, 29211, 29393, 34561, 38199, 42693, 47294, 52858, 58422, 58786, 69122, 70941, 76398, 79287, 85386, 88179, 103683, 141882, 158574, 165529, 176358, 185003, 207366, 241927, 331058, 370006, 449293, 483854, 496587, 555009, 725781, 898586, 993174, 1110018, 1347879, 1451562, 2695758, 3145051, 6290102, 9435153, 18870306]

約数ペア:

[(1, 18870306), (2, 9435153), (3, 6290102), (6, 3145051), (7, 2695758), (13, 1451562), (14, 1347879), (17, 1110018), (19, 993174), (21, 898586), (26, 725781), (34, 555009), (38, 496587), (39, 483854), (42, 449293), (51, 370006), (57, 331058), (78, 241927), (91, 207366), (102, 185003), (107, 176358), (114, 165529), (119, 158574), (133, 141882), (182, 103683), (214, 88179), (221, 85386), (238, 79287), (247, 76398), (266, 70941), (273, 69122), (321, 58786), (323, 58422), (357, 52858), (399, 47294), (442, 42693), (494, 38199), (546, 34561), (642, 29393), (646, 29211), (663, 28462), (714, 26429), (741, 25466), (749, 25194), (798, 23647), (969, 19474), (1326, 14231), (1391, 13566), (1482, 12733), (1498, 12597), (1547, 12198), (1729, 10914), (1819, 10374), (1938, 9737), (2033, 9282), (2247, 8398), (2261, 8346), (2782, 6783), (3094, 6099), (3458, 5457), (3638, 5187), (4066, 4641), (4173, 4522), (4199, 4494)]