19685864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13159}}^1$

素因数の和:13193

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 22952536

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13159, 26318, 52636, 105272, 144749, 223703, 289498, 447406, 578996, 894812, 1157992, 1789624, 2460733, 4921466, 9842932, 19685864]

約数ペア:

[(1, 19685864), (2, 9842932), (4, 4921466), (8, 2460733), (11, 1789624), (17, 1157992), (22, 894812), (34, 578996), (44, 447406), (68, 289498), (88, 223703), (136, 144749), (187, 105272), (374, 52636), (748, 26318), (1496, 13159)]