19914735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2693}}^1$

素因数の和:2747

約数の個数: 32

約数和(自身を含む): 34914240

約数和(自身を除く): 14999505

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 2693, 7395, 8079, 13465, 40395, 45781, 78097, 137343, 228905, 234291, 390485, 686715, 1171455, 1327649, 3982947, 6638245, 19914735]

約数ペア:

[(1, 19914735), (3, 6638245), (5, 3982947), (15, 1327649), (17, 1171455), (29, 686715), (51, 390485), (85, 234291), (87, 228905), (145, 137343), (255, 78097), (435, 45781), (493, 40395), (1479, 13465), (2465, 8079), (2693, 7395)]