18679304

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 41167680

約数和(自身を除く): 22488376

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 151, 188, 302, 329, 376, 604, 658, 1057, 1208, 1316, 2114, 2209, 2632, 4228, 4418, 7097, 8456, 8836, 14194, 15463, 17672, 28388, 30926, 49679, 56776, 61852, 99358, 123704, 198716, 333559, 397432, 667118, 1334236, 2334913, 2668472, 4669826, 9339652, 18679304]

約数ペア:

[(1, 18679304), (2, 9339652), (4, 4669826), (7, 2668472), (8, 2334913), (14, 1334236), (28, 667118), (47, 397432), (56, 333559), (94, 198716), (151, 123704), (188, 99358), (302, 61852), (329, 56776), (376, 49679), (604, 30926), (658, 28388), (1057, 17672), (1208, 15463), (1316, 14194), (2114, 8836), (2209, 8456), (2632, 7097), (4228, 4418)]