19590284

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 21390964

約数列:

[1, 2, 4, 7, 14, 28, 43, 53, 86, 106, 172, 212, 301, 307, 371, 602, 614, 742, 1204, 1228, 1484, 2149, 2279, 4298, 4558, 8596, 9116, 13201, 15953, 16271, 26402, 31906, 32542, 52804, 63812, 65084, 92407, 113897, 184814, 227794, 369628, 455588, 699653, 1399306, 2798612, 4897571, 9795142, 19590284]

約数ペア:

[(1, 19590284), (2, 9795142), (4, 4897571), (7, 2798612), (14, 1399306), (28, 699653), (43, 455588), (53, 369628), (86, 227794), (106, 184814), (172, 113897), (212, 92407), (301, 65084), (307, 63812), (371, 52804), (602, 32542), (614, 31906), (742, 26402), (1204, 16271), (1228, 15953), (1484, 13201), (2149, 9116), (2279, 8596), (4298, 4558)]