19417904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3559}}^1$

素因数の和:3609

約数の個数: 40

約数和(自身を含む): 42378240

約数和(自身を除く): 22960336

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3559, 5456, 7118, 14236, 28472, 39149, 56944, 78298, 110329, 156596, 220658, 313192, 441316, 626384, 882632, 1213619, 1765264, 2427238, 4854476, 9708952, 19417904]

約数ペア:

[(1, 19417904), (2, 9708952), (4, 4854476), (8, 2427238), (11, 1765264), (16, 1213619), (22, 882632), (31, 626384), (44, 441316), (62, 313192), (88, 220658), (124, 156596), (176, 110329), (248, 78298), (341, 56944), (496, 39149), (682, 28472), (1364, 14236), (2728, 7118), (3559, 5456)]