19641664

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2579}}^1$

素因数の和:2615

約数の個数: 56

約数和(自身を含む): 47183040

約数和(自身を除く): 27541376

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2579, 3808, 5158, 7616, 10316, 18053, 20632, 36106, 41264, 43843, 72212, 82528, 87686, 144424, 165056, 175372, 288848, 306901, 350744, 577696, 613802, 701488, 1155392, 1227604, 1402976, 2455208, 2805952, 4910416, 9820832, 19641664]

約数ペア:

[(1, 19641664), (2, 9820832), (4, 4910416), (7, 2805952), (8, 2455208), (14, 1402976), (16, 1227604), (17, 1155392), (28, 701488), (32, 613802), (34, 577696), (56, 350744), (64, 306901), (68, 288848), (112, 175372), (119, 165056), (136, 144424), (224, 87686), (238, 82528), (272, 72212), (448, 43843), (476, 41264), (544, 36106), (952, 20632), (1088, 18053), (1904, 10316), (2579, 7616), (3808, 5158)]