19952688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 60321536

約数和(自身を除く): 40368848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1381, 1806, 2064, 2408, 2762, 3612, 4143, 4816, 5524, 7224, 8286, 9667, 11048, 14448, 16572, 19334, 22096, 29001, 33144, 38668, 58002, 59383, 66288, 77336, 116004, 118766, 154672, 178149, 232008, 237532, 356298, 415681, 464016, 475064, 712596, 831362, 950128, 1247043, 1425192, 1662724, 2494086, 2850384, 3325448, 4988172, 6650896, 9976344, 19952688]

約数ペア:

[(1, 19952688), (2, 9976344), (3, 6650896), (4, 4988172), (6, 3325448), (7, 2850384), (8, 2494086), (12, 1662724), (14, 1425192), (16, 1247043), (21, 950128), (24, 831362), (28, 712596), (42, 475064), (43, 464016), (48, 415681), (56, 356298), (84, 237532), (86, 232008), (112, 178149), (129, 154672), (168, 118766), (172, 116004), (258, 77336), (301, 66288), (336, 59383), (344, 58002), (516, 38668), (602, 33144), (688, 29001), (903, 22096), (1032, 19334), (1204, 16572), (1381, 14448), (1806, 11048), (2064, 9667), (2408, 8286), (2762, 7224), (3612, 5524), (4143, 4816)]