18013268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 42674688

約数和(自身を除く): 24661420

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 41, 52, 68, 71, 82, 91, 119, 142, 164, 182, 221, 238, 284, 287, 364, 442, 476, 497, 533, 574, 697, 884, 923, 994, 1066, 1148, 1207, 1394, 1547, 1846, 1988, 2132, 2414, 2788, 2911, 3094, 3692, 3731, 4828, 4879, 5822, 6188, 6461, 7462, 8449, 9061, 9758, 11644, 12922, 14924, 15691, 16898, 18122, 19516, 20377, 25844, 31382, 33796, 36244, 37843, 40754, 49487, 62764, 63427, 75686, 81508, 98974, 109837, 126854, 151372, 197948, 219674, 253708, 264901, 346409, 439348, 529802, 643331, 692818, 1059604, 1286662, 1385636, 2573324, 4503317, 9006634, 18013268]

約数ペア:

[(1, 18013268), (2, 9006634), (4, 4503317), (7, 2573324), (13, 1385636), (14, 1286662), (17, 1059604), (26, 692818), (28, 643331), (34, 529802), (41, 439348), (52, 346409), (68, 264901), (71, 253708), (82, 219674), (91, 197948), (119, 151372), (142, 126854), (164, 109837), (182, 98974), (221, 81508), (238, 75686), (284, 63427), (287, 62764), (364, 49487), (442, 40754), (476, 37843), (497, 36244), (533, 33796), (574, 31382), (697, 25844), (884, 20377), (923, 19516), (994, 18122), (1066, 16898), (1148, 15691), (1207, 14924), (1394, 12922), (1547, 11644), (1846, 9758), (1988, 9061), (2132, 8449), (2414, 7462), (2788, 6461), (2911, 6188), (3094, 5822), (3692, 4879), (3731, 4828)]