18439974

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 120

約数和(自身を含む): 50651568

約数和(自身を除く): 32211594

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 49, 54, 63, 69, 81, 98, 101, 126, 138, 147, 161, 162, 189, 202, 207, 294, 303, 322, 378, 414, 441, 483, 567, 606, 621, 707, 882, 909, 966, 1127, 1134, 1242, 1323, 1414, 1449, 1818, 1863, 2121, 2254, 2323, 2646, 2727, 2898, 3381, 3726, 3969, 4242, 4347, 4646, 4949, 5454, 6363, 6762, 6969, 7938, 8181, 8694, 9898, 10143, 12726, 13041, 13938, 14847, 16261, 16362, 19089, 20286, 20907, 26082, 29694, 30429, 32522, 38178, 41814, 44541, 48783, 57267, 60858, 62721, 89082, 91287, 97566, 113827, 114534, 125442, 133623, 146349, 182574, 188163, 227654, 267246, 292698, 341481, 376326, 400869, 439047, 682962, 801738, 878094, 1024443, 1317141, 2048886, 2634282, 3073329, 6146658, 9219987, 18439974]

約数ペア:

[(1, 18439974), (2, 9219987), (3, 6146658), (6, 3073329), (7, 2634282), (9, 2048886), (14, 1317141), (18, 1024443), (21, 878094), (23, 801738), (27, 682962), (42, 439047), (46, 400869), (49, 376326), (54, 341481), (63, 292698), (69, 267246), (81, 227654), (98, 188163), (101, 182574), (126, 146349), (138, 133623), (147, 125442), (161, 114534), (162, 113827), (189, 97566), (202, 91287), (207, 89082), (294, 62721), (303, 60858), (322, 57267), (378, 48783), (414, 44541), (441, 41814), (483, 38178), (567, 32522), (606, 30429), (621, 29694), (707, 26082), (882, 20907), (909, 20286), (966, 19089), (1127, 16362), (1134, 16261), (1242, 14847), (1323, 13938), (1414, 13041), (1449, 12726), (1818, 10143), (1863, 9898), (2121, 8694), (2254, 8181), (2323, 7938), (2646, 6969), (2727, 6762), (2898, 6363), (3381, 5454), (3726, 4949), (3969, 4646), (4242, 4347)]