18666486744

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{644383}}^1$

素因数の和:644480

約数の個数: 64

約数和(自身を含む): 50107299840

約数和(自身を除く): 31440813096

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 136, 142, 204, 213, 284, 408, 426, 568, 852, 1207, 1704, 2414, 3621, 4828, 7242, 9656, 14484, 28968, 644383, 1288766, 1933149, 2577532, 3866298, 5155064, 7732596, 10954511, 15465192, 21909022, 32863533, 43818044, 45751193, 65727066, 87636088, 91502386, 131454132, 137253579, 183004772, 262908264, 274507158, 366009544, 549014316, 777770281, 1098028632, 1555540562, 2333310843, 3111081124, 4666621686, 6222162248, 9333243372, 18666486744]

約数ペア:

[(1, 18666486744), (2, 9333243372), (3, 6222162248), (4, 4666621686), (6, 3111081124), (8, 2333310843), (12, 1555540562), (17, 1098028632), (24, 777770281), (34, 549014316), (51, 366009544), (68, 274507158), (71, 262908264), (102, 183004772), (136, 137253579), (142, 131454132), (204, 91502386), (213, 87636088), (284, 65727066), (408, 45751193), (426, 43818044), (568, 32863533), (852, 21909022), (1207, 15465192), (1704, 10954511), (2414, 7732596), (3621, 5155064), (4828, 3866298), (7242, 2577532), (9656, 1933149), (14484, 1288766), (28968, 644383)]