18778869612

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^2\times {\mathrm{4007}}^1$

素因数の和:4180

約数の個数: 108

約数和(自身を含む): 49861964880

約数和(自身を除く): 31083095268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 67, 87, 116, 134, 174, 201, 261, 268, 348, 402, 522, 603, 804, 1044, 1206, 1943, 2412, 3886, 4007, 4489, 5829, 7772, 8014, 8978, 11658, 12021, 13467, 16028, 17487, 17956, 23316, 24042, 26934, 34974, 36063, 40401, 48084, 53868, 69948, 72126, 80802, 116203, 130181, 144252, 161604, 232406, 260362, 268469, 348609, 390543, 464812, 520724, 536938, 697218, 781086, 805407, 1045827, 1073876, 1171629, 1394436, 1562172, 1610814, 2091654, 2343258, 2416221, 3221628, 4183308, 4686516, 4832442, 7785601, 9664884, 15571202, 17987423, 23356803, 31142404, 35974846, 46713606, 53962269, 70070409, 71949692, 93427212, 107924538, 140140818, 161886807, 215849076, 280281636, 323773614, 521635267, 647547228, 1043270534, 1564905801, 2086541068, 3129811602, 4694717403, 6259623204, 9389434806, 18778869612]

約数ペア:

[(1, 18778869612), (2, 9389434806), (3, 6259623204), (4, 4694717403), (6, 3129811602), (9, 2086541068), (12, 1564905801), (18, 1043270534), (29, 647547228), (36, 521635267), (58, 323773614), (67, 280281636), (87, 215849076), (116, 161886807), (134, 140140818), (174, 107924538), (201, 93427212), (261, 71949692), (268, 70070409), (348, 53962269), (402, 46713606), (522, 35974846), (603, 31142404), (804, 23356803), (1044, 17987423), (1206, 15571202), (1943, 9664884), (2412, 7785601), (3886, 4832442), (4007, 4686516), (4489, 4183308), (5829, 3221628), (7772, 2416221), (8014, 2343258), (8978, 2091654), (11658, 1610814), (12021, 1562172), (13467, 1394436), (16028, 1171629), (17487, 1073876), (17956, 1045827), (23316, 805407), (24042, 781086), (26934, 697218), (34974, 536938), (36063, 520724), (40401, 464812), (48084, 390543), (53868, 348609), (69948, 268469), (72126, 260362), (80802, 232406), (116203, 161604), (130181, 144252)]