18215946

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1128

約数の個数: 72

約数和(自身を含む): 48372480

約数和(自身を除く): 30156534

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1087, 1197, 1862, 2174, 2394, 2793, 3261, 5586, 6522, 7609, 8379, 9783, 15218, 16758, 19566, 20653, 22827, 41306, 45654, 53263, 61959, 68481, 106526, 123918, 136962, 144571, 159789, 185877, 289142, 319578, 371754, 433713, 479367, 867426, 958734, 1011997, 1301139, 2023994, 2602278, 3035991, 6071982, 9107973, 18215946]

約数ペア:

[(1, 18215946), (2, 9107973), (3, 6071982), (6, 3035991), (7, 2602278), (9, 2023994), (14, 1301139), (18, 1011997), (19, 958734), (21, 867426), (38, 479367), (42, 433713), (49, 371754), (57, 319578), (63, 289142), (98, 185877), (114, 159789), (126, 144571), (133, 136962), (147, 123918), (171, 106526), (266, 68481), (294, 61959), (342, 53263), (399, 45654), (441, 41306), (798, 22827), (882, 20653), (931, 19566), (1087, 16758), (1197, 15218), (1862, 9783), (2174, 8379), (2394, 7609), (2793, 6522), (3261, 5586)]