19239704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 42681600

約数和(自身を除く): 23441896

約数列:

[1, 2, 4, 8, 11, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 209, 296, 311, 407, 418, 622, 703, 814, 836, 1244, 1406, 1628, 1672, 2488, 2812, 3256, 3421, 5624, 5909, 6842, 7733, 11507, 11818, 13684, 15466, 23014, 23636, 27368, 30932, 46028, 47272, 61864, 64999, 92056, 126577, 129998, 218633, 253154, 259996, 437266, 506308, 519992, 874532, 1012616, 1749064, 2404963, 4809926, 9619852, 19239704]

約数ペア:

[(1, 19239704), (2, 9619852), (4, 4809926), (8, 2404963), (11, 1749064), (19, 1012616), (22, 874532), (37, 519992), (38, 506308), (44, 437266), (74, 259996), (76, 253154), (88, 218633), (148, 129998), (152, 126577), (209, 92056), (296, 64999), (311, 61864), (407, 47272), (418, 46028), (622, 30932), (703, 27368), (814, 23636), (836, 23014), (1244, 15466), (1406, 13684), (1628, 11818), (1672, 11507), (2488, 7733), (2812, 6842), (3256, 5909), (3421, 5624)]