19806176

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1013}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 23122528

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1013, 1222, 1504, 2026, 2444, 4052, 4888, 8104, 9776, 13169, 16208, 19552, 26338, 32416, 47611, 52676, 95222, 105352, 190444, 210704, 380888, 421408, 618943, 761776, 1237886, 1523552, 2475772, 4951544, 9903088, 19806176]

約数ペア:

[(1, 19806176), (2, 9903088), (4, 4951544), (8, 2475772), (13, 1523552), (16, 1237886), (26, 761776), (32, 618943), (47, 421408), (52, 380888), (94, 210704), (104, 190444), (188, 105352), (208, 95222), (376, 52676), (416, 47611), (611, 32416), (752, 26338), (1013, 19552), (1222, 16208), (1504, 13169), (2026, 9776), (2444, 8104), (4052, 4888)]