19515184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5519}}^1$

素因数の和:5557

約数の個数: 40

約数和(自身を含む): 43122240

約数和(自身を除く): 23607056

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5519, 11038, 22076, 44152, 71747, 88304, 93823, 143494, 187646, 286988, 375292, 573976, 750584, 1147952, 1219699, 1501168, 2439398, 4878796, 9757592, 19515184]

約数ペア:

[(1, 19515184), (2, 9757592), (4, 4878796), (8, 2439398), (13, 1501168), (16, 1219699), (17, 1147952), (26, 750584), (34, 573976), (52, 375292), (68, 286988), (104, 187646), (136, 143494), (208, 93823), (221, 88304), (272, 71747), (442, 44152), (884, 22076), (1768, 11038), (3536, 5519)]