19713492

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 51996672

約数和(自身を除く): 32283180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 61, 94, 122, 141, 183, 188, 191, 244, 282, 366, 382, 423, 549, 564, 573, 732, 764, 846, 1098, 1146, 1692, 1719, 2196, 2292, 2867, 3438, 5734, 6876, 8601, 8977, 11468, 11651, 17202, 17954, 23302, 25803, 26931, 34404, 34953, 35908, 46604, 51606, 53862, 69906, 80793, 103212, 104859, 107724, 139812, 161586, 209718, 323172, 419436, 547597, 1095194, 1642791, 2190388, 3285582, 4928373, 6571164, 9856746, 19713492]

約数ペア:

[(1, 19713492), (2, 9856746), (3, 6571164), (4, 4928373), (6, 3285582), (9, 2190388), (12, 1642791), (18, 1095194), (36, 547597), (47, 419436), (61, 323172), (94, 209718), (122, 161586), (141, 139812), (183, 107724), (188, 104859), (191, 103212), (244, 80793), (282, 69906), (366, 53862), (382, 51606), (423, 46604), (549, 35908), (564, 34953), (573, 34404), (732, 26931), (764, 25803), (846, 23302), (1098, 17954), (1146, 17202), (1692, 11651), (1719, 11468), (2196, 8977), (2292, 8601), (2867, 6876), (3438, 5734)]