17389636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 36942080

約数和(自身を除く): 19552444

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 61, 62, 76, 121, 122, 124, 209, 242, 244, 341, 418, 484, 589, 671, 682, 836, 1159, 1178, 1342, 1364, 1891, 2299, 2318, 2356, 2684, 3751, 3782, 4598, 4636, 6479, 7381, 7502, 7564, 9196, 12749, 12958, 14762, 15004, 20801, 25498, 25916, 29524, 35929, 41602, 50996, 71269, 71858, 83204, 140239, 142538, 143716, 228811, 280478, 285076, 395219, 457622, 560956, 790438, 915244, 1580876, 4347409, 8694818, 17389636]

約数ペア:

[(1, 17389636), (2, 8694818), (4, 4347409), (11, 1580876), (19, 915244), (22, 790438), (31, 560956), (38, 457622), (44, 395219), (61, 285076), (62, 280478), (76, 228811), (121, 143716), (122, 142538), (124, 140239), (209, 83204), (242, 71858), (244, 71269), (341, 50996), (418, 41602), (484, 35929), (589, 29524), (671, 25916), (682, 25498), (836, 20801), (1159, 15004), (1178, 14762), (1342, 12958), (1364, 12749), (1891, 9196), (2299, 7564), (2318, 7502), (2356, 7381), (2684, 6479), (3751, 4636), (3782, 4598)]