19032260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 43690752

約数和(自身を除く): 24658492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1031, 1420, 1846, 2062, 3692, 4124, 4615, 5155, 9230, 10310, 13403, 18460, 20620, 26806, 53612, 67015, 73201, 134030, 146402, 268060, 292804, 366005, 732010, 951613, 1464020, 1903226, 3806452, 4758065, 9516130, 19032260]

約数ペア:

[(1, 19032260), (2, 9516130), (4, 4758065), (5, 3806452), (10, 1903226), (13, 1464020), (20, 951613), (26, 732010), (52, 366005), (65, 292804), (71, 268060), (130, 146402), (142, 134030), (260, 73201), (284, 67015), (355, 53612), (710, 26806), (923, 20620), (1031, 18460), (1420, 13403), (1846, 10310), (2062, 9230), (3692, 5155), (4124, 4615)]