19256480

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1973}}^1$

素因数の和:2049

約数の個数: 48

約数和(自身を含む): 46262664

約数和(自身を除く): 27006184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 1973, 2440, 3946, 4880, 7892, 9760, 9865, 15784, 19730, 31568, 39460, 63136, 78920, 120353, 157840, 240706, 315680, 481412, 601765, 962824, 1203530, 1925648, 2407060, 3851296, 4814120, 9628240, 19256480]

約数ペア:

[(1, 19256480), (2, 9628240), (4, 4814120), (5, 3851296), (8, 2407060), (10, 1925648), (16, 1203530), (20, 962824), (32, 601765), (40, 481412), (61, 315680), (80, 240706), (122, 157840), (160, 120353), (244, 78920), (305, 63136), (488, 39460), (610, 31568), (976, 19730), (1220, 15784), (1952, 9865), (1973, 9760), (2440, 7892), (3946, 4880)]