18308784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 53462352

約数和(自身を除く): 35153568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 61, 74, 78, 104, 111, 122, 148, 156, 169, 183, 208, 222, 244, 296, 312, 338, 366, 444, 481, 488, 507, 592, 624, 676, 732, 793, 888, 962, 976, 1014, 1352, 1443, 1464, 1586, 1776, 1924, 2028, 2257, 2379, 2704, 2886, 2928, 3172, 3848, 4056, 4514, 4758, 5772, 6253, 6344, 6771, 7696, 8112, 9028, 9516, 10309, 11544, 12506, 12688, 13542, 18056, 18759, 19032, 20618, 23088, 25012, 27084, 29341, 30927, 36112, 37518, 38064, 41236, 50024, 54168, 58682, 61854, 75036, 82472, 88023, 100048, 108336, 117364, 123708, 150072, 164944, 176046, 234728, 247416, 300144, 352092, 381433, 469456, 494832, 704184, 762866, 1144299, 1408368, 1525732, 2288598, 3051464, 4577196, 6102928, 9154392, 18308784]

約数ペア:

[(1, 18308784), (2, 9154392), (3, 6102928), (4, 4577196), (6, 3051464), (8, 2288598), (12, 1525732), (13, 1408368), (16, 1144299), (24, 762866), (26, 704184), (37, 494832), (39, 469456), (48, 381433), (52, 352092), (61, 300144), (74, 247416), (78, 234728), (104, 176046), (111, 164944), (122, 150072), (148, 123708), (156, 117364), (169, 108336), (183, 100048), (208, 88023), (222, 82472), (244, 75036), (296, 61854), (312, 58682), (338, 54168), (366, 50024), (444, 41236), (481, 38064), (488, 37518), (507, 36112), (592, 30927), (624, 29341), (676, 27084), (732, 25012), (793, 23088), (888, 20618), (962, 19032), (976, 18759), (1014, 18056), (1352, 13542), (1443, 12688), (1464, 12506), (1586, 11544), (1776, 10309), (1924, 9516), (2028, 9028), (2257, 8112), (2379, 7696), (2704, 6771), (2886, 6344), (2928, 6253), (3172, 5772), (3848, 4758), (4056, 4514)]