18378234

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 72

約数和(自身を含む): 47163168

約数和(自身を除く): 28784934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 67, 98, 126, 134, 147, 201, 294, 311, 402, 441, 469, 603, 622, 882, 933, 938, 1206, 1407, 1866, 2177, 2799, 2814, 3283, 4221, 4354, 5598, 6531, 6566, 8442, 9849, 13062, 15239, 19593, 19698, 20837, 29547, 30478, 39186, 41674, 45717, 59094, 62511, 91434, 125022, 137151, 145859, 187533, 274302, 291718, 375066, 437577, 875154, 1021013, 1312731, 2042026, 2625462, 3063039, 6126078, 9189117, 18378234]

約数ペア:

[(1, 18378234), (2, 9189117), (3, 6126078), (6, 3063039), (7, 2625462), (9, 2042026), (14, 1312731), (18, 1021013), (21, 875154), (42, 437577), (49, 375066), (63, 291718), (67, 274302), (98, 187533), (126, 145859), (134, 137151), (147, 125022), (201, 91434), (294, 62511), (311, 59094), (402, 45717), (441, 41674), (469, 39186), (603, 30478), (622, 29547), (882, 20837), (933, 19698), (938, 19593), (1206, 15239), (1407, 13062), (1866, 9849), (2177, 8442), (2799, 6566), (2814, 6531), (3283, 5598), (4221, 4354)]