18782490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 47609856

約数和(自身を除く): 28827366

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 163, 167, 230, 326, 334, 345, 489, 501, 690, 815, 835, 978, 1002, 1630, 1670, 2445, 2505, 3749, 3841, 4890, 5010, 7498, 7682, 11247, 11523, 18745, 19205, 22494, 23046, 27221, 37490, 38410, 54442, 56235, 57615, 81663, 112470, 115230, 136105, 163326, 272210, 408315, 626083, 816630, 1252166, 1878249, 3130415, 3756498, 6260830, 9391245, 18782490]

約数ペア:

[(1, 18782490), (2, 9391245), (3, 6260830), (5, 3756498), (6, 3130415), (10, 1878249), (15, 1252166), (23, 816630), (30, 626083), (46, 408315), (69, 272210), (115, 163326), (138, 136105), (163, 115230), (167, 112470), (230, 81663), (326, 57615), (334, 56235), (345, 54442), (489, 38410), (501, 37490), (690, 27221), (815, 23046), (835, 22494), (978, 19205), (1002, 18745), (1630, 11523), (1670, 11247), (2445, 7682), (2505, 7498), (3749, 5010), (3841, 4890)]