19221152

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 40619880

約数和(自身を除く): 21398728

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 356, 397, 544, 712, 794, 1424, 1513, 1588, 2848, 3026, 3176, 6052, 6352, 6749, 12104, 12704, 13498, 24208, 26996, 35333, 48416, 53992, 70666, 107984, 141332, 215968, 282664, 565328, 600661, 1130656, 1201322, 2402644, 4805288, 9610576, 19221152]

約数ペア:

[(1, 19221152), (2, 9610576), (4, 4805288), (8, 2402644), (16, 1201322), (17, 1130656), (32, 600661), (34, 565328), (68, 282664), (89, 215968), (136, 141332), (178, 107984), (272, 70666), (356, 53992), (397, 48416), (544, 35333), (712, 26996), (794, 24208), (1424, 13498), (1513, 12704), (1588, 12104), (2848, 6749), (3026, 6352), (3176, 6052)]