19974654

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7549}}^1$

素因数の和:7574

約数の個数: 48

約数和(自身を含む): 51642000

約数和(自身を除く): 31667346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7549, 15098, 22647, 45294, 52843, 67941, 105686, 135882, 158529, 203823, 317058, 369901, 407646, 475587, 739802, 951174, 1109703, 1426761, 2219406, 2853522, 3329109, 6658218, 9987327, 19974654]

約数ペア:

[(1, 19974654), (2, 9987327), (3, 6658218), (6, 3329109), (7, 2853522), (9, 2219406), (14, 1426761), (18, 1109703), (21, 951174), (27, 739802), (42, 475587), (49, 407646), (54, 369901), (63, 317058), (98, 203823), (126, 158529), (147, 135882), (189, 105686), (294, 67941), (378, 52843), (441, 45294), (882, 22647), (1323, 15098), (2646, 7549)]