19731470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 40793760

約数和(自身を除く): 21062290

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 709, 1210, 1265, 1418, 2530, 2783, 3545, 5566, 7090, 7799, 13915, 15598, 16307, 27830, 32614, 38995, 77990, 81535, 85789, 163070, 171578, 179377, 358754, 428945, 857890, 896885, 1793770, 1973147, 3946294, 9865735, 19731470]

約数ペア:

[(1, 19731470), (2, 9865735), (5, 3946294), (10, 1973147), (11, 1793770), (22, 896885), (23, 857890), (46, 428945), (55, 358754), (110, 179377), (115, 171578), (121, 163070), (230, 85789), (242, 81535), (253, 77990), (506, 38995), (605, 32614), (709, 27830), (1210, 16307), (1265, 15598), (1418, 13915), (2530, 7799), (2783, 7090), (3545, 5566)]