19518380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31284820

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 59, 68, 70, 85, 118, 119, 139, 140, 170, 236, 238, 278, 295, 340, 413, 476, 556, 590, 595, 695, 826, 973, 1003, 1180, 1190, 1390, 1652, 1946, 2006, 2065, 2363, 2380, 2780, 3892, 4012, 4130, 4726, 4865, 5015, 7021, 8201, 8260, 9452, 9730, 10030, 11815, 14042, 16402, 16541, 19460, 20060, 23630, 28084, 32804, 33082, 35105, 41005, 47260, 57407, 66164, 70210, 82010, 82705, 114814, 139417, 140420, 164020, 165410, 229628, 278834, 287035, 330820, 557668, 574070, 697085, 975919, 1148140, 1394170, 1951838, 2788340, 3903676, 4879595, 9759190, 19518380]

約数ペア:

[(1, 19518380), (2, 9759190), (4, 4879595), (5, 3903676), (7, 2788340), (10, 1951838), (14, 1394170), (17, 1148140), (20, 975919), (28, 697085), (34, 574070), (35, 557668), (59, 330820), (68, 287035), (70, 278834), (85, 229628), (118, 165410), (119, 164020), (139, 140420), (140, 139417), (170, 114814), (236, 82705), (238, 82010), (278, 70210), (295, 66164), (340, 57407), (413, 47260), (476, 41005), (556, 35105), (590, 33082), (595, 32804), (695, 28084), (826, 23630), (973, 20060), (1003, 19460), (1180, 16541), (1190, 16402), (1390, 14042), (1652, 11815), (1946, 10030), (2006, 9730), (2065, 9452), (2363, 8260), (2380, 8201), (2780, 7021), (3892, 5015), (4012, 4865), (4130, 4726)]