19307860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 49053312

約数和(自身を除く): 29745452

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 157, 172, 215, 220, 260, 286, 314, 430, 473, 559, 572, 628, 715, 785, 860, 946, 1118, 1430, 1570, 1727, 1892, 2041, 2236, 2365, 2795, 2860, 3140, 3454, 4082, 4730, 5590, 6149, 6751, 6908, 8164, 8635, 9460, 10205, 11180, 12298, 13502, 17270, 20410, 22451, 24596, 27004, 30745, 33755, 34540, 40820, 44902, 61490, 67510, 74261, 87763, 89804, 112255, 122980, 135020, 148522, 175526, 224510, 297044, 351052, 371305, 438815, 449020, 742610, 877630, 965393, 1485220, 1755260, 1930786, 3861572, 4826965, 9653930, 19307860]

約数ペア:

[(1, 19307860), (2, 9653930), (4, 4826965), (5, 3861572), (10, 1930786), (11, 1755260), (13, 1485220), (20, 965393), (22, 877630), (26, 742610), (43, 449020), (44, 438815), (52, 371305), (55, 351052), (65, 297044), (86, 224510), (110, 175526), (130, 148522), (143, 135020), (157, 122980), (172, 112255), (215, 89804), (220, 87763), (260, 74261), (286, 67510), (314, 61490), (430, 44902), (473, 40820), (559, 34540), (572, 33755), (628, 30745), (715, 27004), (785, 24596), (860, 22451), (946, 20410), (1118, 17270), (1430, 13502), (1570, 12298), (1727, 11180), (1892, 10205), (2041, 9460), (2236, 8635), (2365, 8164), (2795, 6908), (2860, 6751), (3140, 6149), (3454, 5590), (4082, 4730)]