19795842

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 48239100

約数和(自身を除く): 28443258

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 121, 122, 149, 183, 198, 242, 298, 363, 366, 447, 549, 671, 726, 894, 1089, 1098, 1341, 1342, 1639, 2013, 2178, 2682, 3278, 4026, 4917, 6039, 7381, 9089, 9834, 12078, 14751, 14762, 18029, 18178, 22143, 27267, 29502, 36058, 44286, 54087, 54534, 66429, 81801, 99979, 108174, 132858, 162261, 163602, 199958, 299937, 324522, 599874, 899811, 1099769, 1799622, 2199538, 3299307, 6598614, 9897921, 19795842]

約数ペア:

[(1, 19795842), (2, 9897921), (3, 6598614), (6, 3299307), (9, 2199538), (11, 1799622), (18, 1099769), (22, 899811), (33, 599874), (61, 324522), (66, 299937), (99, 199958), (121, 163602), (122, 162261), (149, 132858), (183, 108174), (198, 99979), (242, 81801), (298, 66429), (363, 54534), (366, 54087), (447, 44286), (549, 36058), (671, 29502), (726, 27267), (894, 22143), (1089, 18178), (1098, 18029), (1341, 14762), (1342, 14751), (1639, 12078), (2013, 9834), (2178, 9089), (2682, 7381), (3278, 6039), (4026, 4917)]