18932914

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 39110400

約数和(自身を除く): 20177486

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 193, 286, 343, 386, 539, 637, 686, 1001, 1078, 1274, 1351, 2002, 2123, 2509, 2702, 3773, 4246, 4459, 5018, 7007, 7546, 8918, 9457, 14014, 14861, 17563, 18914, 27599, 29722, 35126, 49049, 55198, 66199, 98098, 104027, 122941, 132398, 193193, 208054, 245882, 386386, 728189, 860587, 1352351, 1456378, 1721174, 2704702, 9466457, 18932914]

約数ペア:

[(1, 18932914), (2, 9466457), (7, 2704702), (11, 1721174), (13, 1456378), (14, 1352351), (22, 860587), (26, 728189), (49, 386386), (77, 245882), (91, 208054), (98, 193193), (143, 132398), (154, 122941), (182, 104027), (193, 98098), (286, 66199), (343, 55198), (386, 49049), (539, 35126), (637, 29722), (686, 27599), (1001, 18914), (1078, 17563), (1274, 14861), (1351, 14014), (2002, 9457), (2123, 8918), (2509, 7546), (2702, 7007), (3773, 5018), (4246, 4459)]