19425406

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 40513536

約数和(自身を除く): 21088130

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 62, 77, 91, 143, 154, 182, 217, 286, 313, 341, 403, 434, 626, 682, 806, 1001, 2002, 2191, 2387, 2821, 3443, 4069, 4382, 4433, 4774, 5642, 6886, 8138, 8866, 9703, 19406, 24101, 28483, 31031, 44759, 48202, 56966, 62062, 67921, 89518, 106733, 126139, 135842, 213466, 252278, 313313, 626626, 747131, 882973, 1387529, 1494262, 1765946, 2775058, 9712703, 19425406]

約数ペア:

[(1, 19425406), (2, 9712703), (7, 2775058), (11, 1765946), (13, 1494262), (14, 1387529), (22, 882973), (26, 747131), (31, 626626), (62, 313313), (77, 252278), (91, 213466), (143, 135842), (154, 126139), (182, 106733), (217, 89518), (286, 67921), (313, 62062), (341, 56966), (403, 48202), (434, 44759), (626, 31031), (682, 28483), (806, 24101), (1001, 19406), (2002, 9703), (2191, 8866), (2387, 8138), (2821, 6886), (3443, 5642), (4069, 4774), (4382, 4433)]