18759972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 55480320

約数和(自身を除く): 36720348

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 79, 84, 132, 154, 158, 231, 237, 257, 308, 316, 462, 474, 514, 553, 771, 869, 924, 948, 1028, 1106, 1542, 1659, 1738, 1799, 2212, 2607, 2827, 3084, 3318, 3476, 3598, 5214, 5397, 5654, 6083, 6636, 7196, 8481, 10428, 10794, 11308, 12166, 16962, 18249, 19789, 20303, 21588, 24332, 33924, 36498, 39578, 40606, 59367, 60909, 72996, 79156, 81212, 118734, 121818, 142121, 223333, 237468, 243636, 284242, 426363, 446666, 568484, 669999, 852726, 893332, 1339998, 1563331, 1705452, 2679996, 3126662, 4689993, 6253324, 9379986, 18759972]

約数ペア:

[(1, 18759972), (2, 9379986), (3, 6253324), (4, 4689993), (6, 3126662), (7, 2679996), (11, 1705452), (12, 1563331), (14, 1339998), (21, 893332), (22, 852726), (28, 669999), (33, 568484), (42, 446666), (44, 426363), (66, 284242), (77, 243636), (79, 237468), (84, 223333), (132, 142121), (154, 121818), (158, 118734), (231, 81212), (237, 79156), (257, 72996), (308, 60909), (316, 59367), (462, 40606), (474, 39578), (514, 36498), (553, 33924), (771, 24332), (869, 21588), (924, 20303), (948, 19789), (1028, 18249), (1106, 16962), (1542, 12166), (1659, 11308), (1738, 10794), (1799, 10428), (2212, 8481), (2607, 7196), (2827, 6636), (3084, 6083), (3318, 5654), (3476, 5397), (3598, 5214)]