19084780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6673}}^1$

素因数の和:6706

約数の個数: 48

約数和(自身を含む): 47091744

約数和(自身を除く): 28006964

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6673, 13346, 26692, 33365, 66730, 73403, 86749, 133460, 146806, 173498, 293612, 346996, 367015, 433745, 734030, 867490, 954239, 1468060, 1734980, 1908478, 3816956, 4771195, 9542390, 19084780]

約数ペア:

[(1, 19084780), (2, 9542390), (4, 4771195), (5, 3816956), (10, 1908478), (11, 1734980), (13, 1468060), (20, 954239), (22, 867490), (26, 734030), (44, 433745), (52, 367015), (55, 346996), (65, 293612), (110, 173498), (130, 146806), (143, 133460), (220, 86749), (260, 73403), (286, 66730), (572, 33365), (715, 26692), (1430, 13346), (2860, 6673)]