18246540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 55742400

約数和(自身を除く): 37495860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 157, 195, 260, 298, 314, 390, 447, 471, 596, 628, 745, 780, 785, 894, 942, 1490, 1570, 1788, 1884, 1937, 2041, 2235, 2355, 2980, 3140, 3874, 4082, 4470, 4710, 5811, 6123, 7748, 8164, 8940, 9420, 9685, 10205, 11622, 12246, 19370, 20410, 23244, 23393, 24492, 29055, 30615, 38740, 40820, 46786, 58110, 61230, 70179, 93572, 116220, 116965, 122460, 140358, 233930, 280716, 304109, 350895, 467860, 608218, 701790, 912327, 1216436, 1403580, 1520545, 1824654, 3041090, 3649308, 4561635, 6082180, 9123270, 18246540]

約数ペア:

[(1, 18246540), (2, 9123270), (3, 6082180), (4, 4561635), (5, 3649308), (6, 3041090), (10, 1824654), (12, 1520545), (13, 1403580), (15, 1216436), (20, 912327), (26, 701790), (30, 608218), (39, 467860), (52, 350895), (60, 304109), (65, 280716), (78, 233930), (130, 140358), (149, 122460), (156, 116965), (157, 116220), (195, 93572), (260, 70179), (298, 61230), (314, 58110), (390, 46786), (447, 40820), (471, 38740), (596, 30615), (628, 29055), (745, 24492), (780, 23393), (785, 23244), (894, 20410), (942, 19370), (1490, 12246), (1570, 11622), (1788, 10205), (1884, 9685), (1937, 9420), (2041, 8940), (2235, 8164), (2355, 7748), (2980, 6123), (3140, 5811), (3874, 4710), (4082, 4470)]