1919988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 5853120

約数和(自身を除く): 3933132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 401, 532, 684, 798, 802, 1197, 1203, 1596, 1604, 2394, 2406, 2807, 3609, 4788, 4812, 5614, 7218, 7619, 8421, 11228, 14436, 15238, 16842, 22857, 25263, 30476, 33684, 45714, 50526, 53333, 68571, 91428, 101052, 106666, 137142, 159999, 213332, 274284, 319998, 479997, 639996, 959994, 1919988]

約数ペア:

[(1, 1919988), (2, 959994), (3, 639996), (4, 479997), (6, 319998), (7, 274284), (9, 213332), (12, 159999), (14, 137142), (18, 106666), (19, 101052), (21, 91428), (28, 68571), (36, 53333), (38, 50526), (42, 45714), (57, 33684), (63, 30476), (76, 25263), (84, 22857), (114, 16842), (126, 15238), (133, 14436), (171, 11228), (228, 8421), (252, 7619), (266, 7218), (342, 5614), (399, 4812), (401, 4788), (532, 3609), (684, 2807), (798, 2406), (802, 2394), (1197, 1604), (1203, 1596)]