18961492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 37884672

約数和(自身を除く): 18923180

約数列:

[1, 2, 4, 11, 22, 44, 47, 53, 94, 106, 173, 188, 212, 346, 517, 583, 692, 1034, 1166, 1903, 2068, 2332, 2491, 3806, 4982, 7612, 8131, 9169, 9964, 16262, 18338, 27401, 32524, 36676, 54802, 89441, 100859, 109604, 178882, 201718, 357764, 403436, 430943, 861886, 1723772, 4740373, 9480746, 18961492]

約数ペア:

[(1, 18961492), (2, 9480746), (4, 4740373), (11, 1723772), (22, 861886), (44, 430943), (47, 403436), (53, 357764), (94, 201718), (106, 178882), (173, 109604), (188, 100859), (212, 89441), (346, 54802), (517, 36676), (583, 32524), (692, 27401), (1034, 18338), (1166, 16262), (1903, 9964), (2068, 9169), (2332, 8131), (2491, 7612), (3806, 4982)]