18232181874

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{32497}}^1$

素因数の和:33015

約数の個数: 48

約数和(自身を含む): 40151928960

約数和(自身を除く): 21919747086

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 439, 639, 878, 1278, 1317, 2634, 3951, 7902, 31169, 32497, 62338, 64994, 93507, 97491, 187014, 194982, 280521, 292473, 561042, 584946, 2307287, 4614574, 6921861, 13843722, 14266183, 20765583, 28532366, 41531166, 42798549, 85597098, 128395647, 256791294, 1012898993, 2025797986, 3038696979, 6077393958, 9116090937, 18232181874]

約数ペア:

[(1, 18232181874), (2, 9116090937), (3, 6077393958), (6, 3038696979), (9, 2025797986), (18, 1012898993), (71, 256791294), (142, 128395647), (213, 85597098), (426, 42798549), (439, 41531166), (639, 28532366), (878, 20765583), (1278, 14266183), (1317, 13843722), (2634, 6921861), (3951, 4614574), (7902, 2307287), (31169, 584946), (32497, 561042), (62338, 292473), (64994, 280521), (93507, 194982), (97491, 187014)]