20180412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 59151456

約数和(自身を除く): 38971044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1097, 1314, 1533, 2044, 2194, 2628, 3066, 3291, 4388, 4599, 6132, 6582, 7679, 9198, 9873, 13164, 15358, 18396, 19746, 23037, 30716, 39492, 46074, 69111, 80081, 92148, 138222, 160162, 240243, 276444, 320324, 480486, 560567, 720729, 960972, 1121134, 1441458, 1681701, 2242268, 2882916, 3363402, 5045103, 6726804, 10090206, 20180412]

約数ペア:

[(1, 20180412), (2, 10090206), (3, 6726804), (4, 5045103), (6, 3363402), (7, 2882916), (9, 2242268), (12, 1681701), (14, 1441458), (18, 1121134), (21, 960972), (28, 720729), (36, 560567), (42, 480486), (63, 320324), (73, 276444), (84, 240243), (126, 160162), (146, 138222), (219, 92148), (252, 80081), (292, 69111), (438, 46074), (511, 39492), (657, 30716), (876, 23037), (1022, 19746), (1097, 18396), (1314, 15358), (1533, 13164), (2044, 9873), (2194, 9198), (2628, 7679), (3066, 6582), (3291, 6132), (4388, 4599)]