19753740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 62112960

約数和(自身を除く): 42359220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 157, 180, 233, 270, 314, 466, 471, 540, 628, 699, 785, 932, 942, 1165, 1398, 1413, 1570, 1884, 2097, 2330, 2355, 2796, 2826, 3140, 3495, 4194, 4239, 4660, 4710, 5652, 6291, 6990, 7065, 8388, 8478, 9420, 10485, 12582, 13980, 14130, 16956, 20970, 21195, 25164, 28260, 31455, 36581, 41940, 42390, 62910, 73162, 84780, 109743, 125820, 146324, 182905, 219486, 329229, 365810, 438972, 548715, 658458, 731620, 987687, 1097430, 1316916, 1646145, 1975374, 2194860, 3292290, 3950748, 4938435, 6584580, 9876870, 19753740]

約数ペア:

[(1, 19753740), (2, 9876870), (3, 6584580), (4, 4938435), (5, 3950748), (6, 3292290), (9, 2194860), (10, 1975374), (12, 1646145), (15, 1316916), (18, 1097430), (20, 987687), (27, 731620), (30, 658458), (36, 548715), (45, 438972), (54, 365810), (60, 329229), (90, 219486), (108, 182905), (135, 146324), (157, 125820), (180, 109743), (233, 84780), (270, 73162), (314, 62910), (466, 42390), (471, 41940), (540, 36581), (628, 31455), (699, 28260), (785, 25164), (932, 21195), (942, 20970), (1165, 16956), (1398, 14130), (1413, 13980), (1570, 12582), (1884, 10485), (2097, 9420), (2330, 8478), (2355, 8388), (2796, 7065), (2826, 6990), (3140, 6291), (3495, 5652), (4194, 4710), (4239, 4660)]