19777248

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1656

約数の個数: 72

約数和(自身を含む): 57585528

約数和(自身を除く): 37808280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1597, 2064, 3096, 3194, 4128, 4791, 6192, 6388, 9582, 12384, 12776, 14373, 19164, 25552, 28746, 38328, 51104, 57492, 68671, 76656, 114984, 137342, 153312, 206013, 229968, 274684, 412026, 459936, 549368, 618039, 824052, 1098736, 1236078, 1648104, 2197472, 2472156, 3296208, 4944312, 6592416, 9888624, 19777248]

約数ペア:

[(1, 19777248), (2, 9888624), (3, 6592416), (4, 4944312), (6, 3296208), (8, 2472156), (9, 2197472), (12, 1648104), (16, 1236078), (18, 1098736), (24, 824052), (32, 618039), (36, 549368), (43, 459936), (48, 412026), (72, 274684), (86, 229968), (96, 206013), (129, 153312), (144, 137342), (172, 114984), (258, 76656), (288, 68671), (344, 57492), (387, 51104), (516, 38328), (688, 28746), (774, 25552), (1032, 19164), (1376, 14373), (1548, 12776), (1597, 12384), (2064, 9582), (3096, 6388), (3194, 6192), (4128, 4791)]