19965456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:733

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 46191024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 56, 58, 63, 72, 84, 87, 112, 116, 126, 144, 168, 174, 203, 232, 252, 261, 336, 348, 406, 464, 504, 522, 609, 683, 696, 812, 1008, 1044, 1218, 1366, 1392, 1624, 1827, 2049, 2088, 2436, 2732, 3248, 3654, 4098, 4176, 4781, 4872, 5464, 6147, 7308, 8196, 9562, 9744, 10928, 12294, 14343, 14616, 16392, 19124, 19807, 24588, 28686, 29232, 32784, 38248, 39614, 43029, 49176, 57372, 59421, 76496, 79228, 86058, 98352, 114744, 118842, 138649, 158456, 172116, 178263, 229488, 237684, 277298, 316912, 344232, 356526, 415947, 475368, 554596, 688464, 713052, 831894, 950736, 1109192, 1247841, 1426104, 1663788, 2218384, 2495682, 2852208, 3327576, 4991364, 6655152, 9982728, 19965456]

約数ペア:

[(1, 19965456), (2, 9982728), (3, 6655152), (4, 4991364), (6, 3327576), (7, 2852208), (8, 2495682), (9, 2218384), (12, 1663788), (14, 1426104), (16, 1247841), (18, 1109192), (21, 950736), (24, 831894), (28, 713052), (29, 688464), (36, 554596), (42, 475368), (48, 415947), (56, 356526), (58, 344232), (63, 316912), (72, 277298), (84, 237684), (87, 229488), (112, 178263), (116, 172116), (126, 158456), (144, 138649), (168, 118842), (174, 114744), (203, 98352), (232, 86058), (252, 79228), (261, 76496), (336, 59421), (348, 57372), (406, 49176), (464, 43029), (504, 39614), (522, 38248), (609, 32784), (683, 29232), (696, 28686), (812, 24588), (1008, 19807), (1044, 19124), (1218, 16392), (1366, 14616), (1392, 14343), (1624, 12294), (1827, 10928), (2049, 9744), (2088, 9562), (2436, 8196), (2732, 7308), (3248, 6147), (3654, 5464), (4098, 4872), (4176, 4781)]