19421344

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 42638400

約数和(自身を除く): 23217056

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1879, 2584, 3758, 5168, 7516, 10336, 15032, 30064, 31943, 35701, 60128, 63886, 71402, 127772, 142804, 255544, 285608, 511088, 571216, 606917, 1022176, 1142432, 1213834, 2427668, 4855336, 9710672, 19421344]

約数ペア:

[(1, 19421344), (2, 9710672), (4, 4855336), (8, 2427668), (16, 1213834), (17, 1142432), (19, 1022176), (32, 606917), (34, 571216), (38, 511088), (68, 285608), (76, 255544), (136, 142804), (152, 127772), (272, 71402), (304, 63886), (323, 60128), (544, 35701), (608, 31943), (646, 30064), (1292, 15032), (1879, 10336), (2584, 7516), (3758, 5168)]