19148580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 66830400

約数和(自身を除く): 47681820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 509, 570, 627, 660, 684, 836, 855, 990, 1018, 1045, 1140, 1254, 1527, 1710, 1881, 1980, 2036, 2090, 2508, 2545, 3054, 3135, 3420, 3762, 4180, 4581, 5090, 5599, 6108, 6270, 7524, 7635, 9162, 9405, 9671, 10180, 11198, 12540, 15270, 16797, 18324, 18810, 19342, 22396, 22905, 27995, 29013, 30540, 33594, 37620, 38684, 45810, 48355, 50391, 55990, 58026, 67188, 83985, 87039, 91620, 96710, 100782, 106381, 111980, 116052, 145065, 167970, 174078, 193420, 201564, 212762, 251955, 290130, 319143, 335940, 348156, 425524, 435195, 503910, 531905, 580260, 638286, 870390, 957429, 1007820, 1063810, 1276572, 1595715, 1740780, 1914858, 2127620, 3191430, 3829716, 4787145, 6382860, 9574290, 19148580]

約数ペア:

[(1, 19148580), (2, 9574290), (3, 6382860), (4, 4787145), (5, 3829716), (6, 3191430), (9, 2127620), (10, 1914858), (11, 1740780), (12, 1595715), (15, 1276572), (18, 1063810), (19, 1007820), (20, 957429), (22, 870390), (30, 638286), (33, 580260), (36, 531905), (38, 503910), (44, 435195), (45, 425524), (55, 348156), (57, 335940), (60, 319143), (66, 290130), (76, 251955), (90, 212762), (95, 201564), (99, 193420), (110, 174078), (114, 167970), (132, 145065), (165, 116052), (171, 111980), (180, 106381), (190, 100782), (198, 96710), (209, 91620), (220, 87039), (228, 83985), (285, 67188), (330, 58026), (342, 55990), (380, 50391), (396, 48355), (418, 45810), (495, 38684), (509, 37620), (570, 33594), (627, 30540), (660, 29013), (684, 27995), (836, 22905), (855, 22396), (990, 19342), (1018, 18810), (1045, 18324), (1140, 16797), (1254, 15270), (1527, 12540), (1710, 11198), (1881, 10180), (1980, 9671), (2036, 9405), (2090, 9162), (2508, 7635), (2545, 7524), (3054, 6270), (3135, 6108), (3420, 5599), (3762, 5090), (4180, 4581)]