18645872

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1438

約数の個数: 60

約数和(自身を含む): 44528400

約数和(自身を除く): 25882528

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1399, 1666, 1904, 2798, 3332, 5596, 6664, 9793, 11192, 13328, 19586, 22384, 23783, 39172, 47566, 68551, 78344, 95132, 137102, 156688, 166481, 190264, 274204, 332962, 380528, 548408, 665924, 1096816, 1165367, 1331848, 2330734, 2663696, 4661468, 9322936, 18645872]

約数ペア:

[(1, 18645872), (2, 9322936), (4, 4661468), (7, 2663696), (8, 2330734), (14, 1331848), (16, 1165367), (17, 1096816), (28, 665924), (34, 548408), (49, 380528), (56, 332962), (68, 274204), (98, 190264), (112, 166481), (119, 156688), (136, 137102), (196, 95132), (238, 78344), (272, 68551), (392, 47566), (476, 39172), (784, 23783), (833, 22384), (952, 19586), (1399, 13328), (1666, 11192), (1904, 9793), (2798, 6664), (3332, 5596)]