19965344

素因数分解:

$2^5\times 7^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 29023456

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 107, 112, 119, 136, 196, 214, 224, 238, 272, 343, 392, 428, 476, 544, 686, 749, 784, 833, 856, 952, 1372, 1498, 1568, 1666, 1712, 1819, 1904, 2744, 2996, 3332, 3424, 3638, 3808, 5243, 5488, 5831, 5992, 6664, 7276, 10486, 10976, 11662, 11984, 12733, 13328, 14552, 20972, 23324, 23968, 25466, 26656, 29104, 36701, 41944, 46648, 50932, 58208, 73402, 83888, 89131, 93296, 101864, 146804, 167776, 178262, 186592, 203728, 293608, 356524, 407456, 587216, 623917, 713048, 1174432, 1247834, 1426096, 2495668, 2852192, 4991336, 9982672, 19965344]

約数ペア:

[(1, 19965344), (2, 9982672), (4, 4991336), (7, 2852192), (8, 2495668), (14, 1426096), (16, 1247834), (17, 1174432), (28, 713048), (32, 623917), (34, 587216), (49, 407456), (56, 356524), (68, 293608), (98, 203728), (107, 186592), (112, 178262), (119, 167776), (136, 146804), (196, 101864), (214, 93296), (224, 89131), (238, 83888), (272, 73402), (343, 58208), (392, 50932), (428, 46648), (476, 41944), (544, 36701), (686, 29104), (749, 26656), (784, 25466), (833, 23968), (856, 23324), (952, 20972), (1372, 14552), (1498, 13328), (1568, 12733), (1666, 11984), (1712, 11662), (1819, 10976), (1904, 10486), (2744, 7276), (2996, 6664), (3332, 5992), (3424, 5831), (3638, 5488), (3808, 5243)]