18863826

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 38873088

約数和(自身を除く): 20009262

約数列:

[1, 2, 3, 6, 47, 94, 141, 151, 282, 302, 443, 453, 886, 906, 1329, 2658, 7097, 14194, 20821, 21291, 41642, 42582, 62463, 66893, 124926, 133786, 200679, 401358, 3143971, 6287942, 9431913, 18863826]

約数ペア:

[(1, 18863826), (2, 9431913), (3, 6287942), (6, 3143971), (47, 401358), (94, 200679), (141, 133786), (151, 124926), (282, 66893), (302, 62463), (443, 42582), (453, 41642), (886, 21291), (906, 20821), (1329, 14194), (2658, 7097)]