19942860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 64576512

約数和(自身を除く): 44633652

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, 461, 515, 618, 721, 922, 1030, 1236, 1383, 1442, 1545, 1844, 2060, 2163, 2305, 2766, 2884, 3090, 3227, 3605, 4326, 4610, 5532, 6180, 6454, 6915, 7210, 8652, 9220, 9681, 10815, 12908, 13830, 14420, 16135, 19362, 21630, 27660, 32270, 38724, 43260, 47483, 48405, 64540, 94966, 96810, 142449, 189932, 193620, 237415, 284898, 332381, 474830, 569796, 664762, 712245, 949660, 997143, 1329524, 1424490, 1661905, 1994286, 2848980, 3323810, 3988572, 4985715, 6647620, 9971430, 19942860]

約数ペア:

[(1, 19942860), (2, 9971430), (3, 6647620), (4, 4985715), (5, 3988572), (6, 3323810), (7, 2848980), (10, 1994286), (12, 1661905), (14, 1424490), (15, 1329524), (20, 997143), (21, 949660), (28, 712245), (30, 664762), (35, 569796), (42, 474830), (60, 332381), (70, 284898), (84, 237415), (103, 193620), (105, 189932), (140, 142449), (206, 96810), (210, 94966), (309, 64540), (412, 48405), (420, 47483), (461, 43260), (515, 38724), (618, 32270), (721, 27660), (922, 21630), (1030, 19362), (1236, 16135), (1383, 14420), (1442, 13830), (1545, 12908), (1844, 10815), (2060, 9681), (2163, 9220), (2305, 8652), (2766, 7210), (2884, 6915), (3090, 6454), (3227, 6180), (3605, 5532), (4326, 4610)]