19659060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{733}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 60114600

約数和(自身を除く): 40455540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 733, 745, 894, 1341, 1466, 1490, 1788, 2199, 2235, 2682, 2932, 2980, 3665, 4398, 4470, 5364, 6597, 6705, 7330, 8796, 8940, 10995, 13194, 13410, 14660, 21990, 26388, 26820, 32985, 43980, 65970, 109217, 131940, 218434, 327651, 436868, 546085, 655302, 982953, 1092170, 1310604, 1638255, 1965906, 2184340, 3276510, 3931812, 4914765, 6553020, 9829530, 19659060]

約数ペア:

[(1, 19659060), (2, 9829530), (3, 6553020), (4, 4914765), (5, 3931812), (6, 3276510), (9, 2184340), (10, 1965906), (12, 1638255), (15, 1310604), (18, 1092170), (20, 982953), (30, 655302), (36, 546085), (45, 436868), (60, 327651), (90, 218434), (149, 131940), (180, 109217), (298, 65970), (447, 43980), (596, 32985), (733, 26820), (745, 26388), (894, 21990), (1341, 14660), (1466, 13410), (1490, 13194), (1788, 10995), (2199, 8940), (2235, 8796), (2682, 7330), (2932, 6705), (2980, 6597), (3665, 5364), (4398, 4470)]