19309654

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^2$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 38229408

約数和(自身を除く): 18919754

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 79, 91, 119, 158, 182, 221, 238, 442, 553, 1027, 1106, 1343, 1547, 2054, 2686, 3094, 6241, 7189, 9401, 12482, 14378, 17459, 18802, 34918, 43687, 81133, 87374, 106097, 122213, 162266, 212194, 244426, 567931, 742679, 1135862, 1379261, 1485358, 2758522, 9654827, 19309654]

約数ペア:

[(1, 19309654), (2, 9654827), (7, 2758522), (13, 1485358), (14, 1379261), (17, 1135862), (26, 742679), (34, 567931), (79, 244426), (91, 212194), (119, 162266), (158, 122213), (182, 106097), (221, 87374), (238, 81133), (442, 43687), (553, 34918), (1027, 18802), (1106, 17459), (1343, 14378), (1547, 12482), (2054, 9401), (2686, 7189), (3094, 6241)]