18645060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 41738172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 431, 515, 618, 721, 862, 1030, 1236, 1293, 1442, 1545, 1724, 2060, 2155, 2163, 2586, 2884, 3017, 3090, 3605, 4310, 4326, 5172, 6034, 6180, 6465, 7210, 8620, 8652, 9051, 10815, 12068, 12930, 14420, 15085, 18102, 21630, 25860, 30170, 36204, 43260, 44393, 45255, 60340, 88786, 90510, 133179, 177572, 181020, 221965, 266358, 310751, 443930, 532716, 621502, 665895, 887860, 932253, 1243004, 1331790, 1553755, 1864506, 2663580, 3107510, 3729012, 4661265, 6215020, 9322530, 18645060]

約数ペア:

[(1, 18645060), (2, 9322530), (3, 6215020), (4, 4661265), (5, 3729012), (6, 3107510), (7, 2663580), (10, 1864506), (12, 1553755), (14, 1331790), (15, 1243004), (20, 932253), (21, 887860), (28, 665895), (30, 621502), (35, 532716), (42, 443930), (60, 310751), (70, 266358), (84, 221965), (103, 181020), (105, 177572), (140, 133179), (206, 90510), (210, 88786), (309, 60340), (412, 45255), (420, 44393), (431, 43260), (515, 36204), (618, 30170), (721, 25860), (862, 21630), (1030, 18102), (1236, 15085), (1293, 14420), (1442, 12930), (1545, 12068), (1724, 10815), (2060, 9051), (2155, 8652), (2163, 8620), (2586, 7210), (2884, 6465), (3017, 6180), (3090, 6034), (3605, 5172), (4310, 4326)]