19912648

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4871}}^1$

素因数の和:4957

約数の個数: 32

約数和(自身を含む): 43263360

約数和(自身を除く): 23350712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4871, 9742, 19484, 34097, 38968, 68194, 136388, 272776, 355583, 711166, 1422332, 2489081, 2844664, 4978162, 9956324, 19912648]

約数ペア:

[(1, 19912648), (2, 9956324), (4, 4978162), (7, 2844664), (8, 2489081), (14, 1422332), (28, 711166), (56, 355583), (73, 272776), (146, 136388), (292, 68194), (511, 38968), (584, 34097), (1022, 19484), (2044, 9742), (4088, 4871)]