18318060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{683}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 37701540

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, 683, 745, 894, 1341, 1366, 1490, 1788, 2049, 2235, 2682, 2732, 2980, 3415, 4098, 4470, 5364, 6147, 6705, 6830, 8196, 8940, 10245, 12294, 13410, 13660, 20490, 24588, 26820, 30735, 40980, 61470, 101767, 122940, 203534, 305301, 407068, 508835, 610602, 915903, 1017670, 1221204, 1526505, 1831806, 2035340, 3053010, 3663612, 4579515, 6106020, 9159030, 18318060]

約数ペア:

[(1, 18318060), (2, 9159030), (3, 6106020), (4, 4579515), (5, 3663612), (6, 3053010), (9, 2035340), (10, 1831806), (12, 1526505), (15, 1221204), (18, 1017670), (20, 915903), (30, 610602), (36, 508835), (45, 407068), (60, 305301), (90, 203534), (149, 122940), (180, 101767), (298, 61470), (447, 40980), (596, 30735), (683, 26820), (745, 24588), (894, 20490), (1341, 13660), (1366, 13410), (1490, 12294), (1788, 10245), (2049, 8940), (2235, 8196), (2682, 6830), (2732, 6705), (2980, 6147), (3415, 5364), (4098, 4470)]