18737208

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 60821280

約数和(自身を除く): 42084072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 47, 49, 56, 63, 72, 84, 94, 98, 113, 126, 141, 147, 168, 188, 196, 226, 252, 282, 294, 329, 339, 376, 392, 423, 441, 452, 504, 564, 588, 658, 678, 791, 846, 882, 904, 987, 1017, 1128, 1176, 1316, 1356, 1582, 1692, 1764, 1974, 2034, 2303, 2373, 2632, 2712, 2961, 3164, 3384, 3528, 3948, 4068, 4606, 4746, 5311, 5537, 5922, 6328, 6909, 7119, 7896, 8136, 9212, 9492, 10622, 11074, 11844, 13818, 14238, 15933, 16611, 18424, 18984, 20727, 21244, 22148, 23688, 27636, 28476, 31866, 33222, 37177, 41454, 42488, 44296, 47799, 49833, 55272, 56952, 63732, 66444, 74354, 82908, 95598, 99666, 111531, 127464, 132888, 148708, 165816, 191196, 199332, 223062, 260239, 297416, 334593, 382392, 398664, 446124, 520478, 669186, 780717, 892248, 1040956, 1338372, 1561434, 2081912, 2342151, 2676744, 3122868, 4684302, 6245736, 9368604, 18737208]

約数ペア:

[(1, 18737208), (2, 9368604), (3, 6245736), (4, 4684302), (6, 3122868), (7, 2676744), (8, 2342151), (9, 2081912), (12, 1561434), (14, 1338372), (18, 1040956), (21, 892248), (24, 780717), (28, 669186), (36, 520478), (42, 446124), (47, 398664), (49, 382392), (56, 334593), (63, 297416), (72, 260239), (84, 223062), (94, 199332), (98, 191196), (113, 165816), (126, 148708), (141, 132888), (147, 127464), (168, 111531), (188, 99666), (196, 95598), (226, 82908), (252, 74354), (282, 66444), (294, 63732), (329, 56952), (339, 55272), (376, 49833), (392, 47799), (423, 44296), (441, 42488), (452, 41454), (504, 37177), (564, 33222), (588, 31866), (658, 28476), (678, 27636), (791, 23688), (846, 22148), (882, 21244), (904, 20727), (987, 18984), (1017, 18424), (1128, 16611), (1176, 15933), (1316, 14238), (1356, 13818), (1582, 11844), (1692, 11074), (1764, 10622), (1974, 9492), (2034, 9212), (2303, 8136), (2373, 7896), (2632, 7119), (2712, 6909), (2961, 6328), (3164, 5922), (3384, 5537), (3528, 5311), (3948, 4746), (4068, 4606)]