18785364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 48575520

約数和(自身を除く): 29790156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 157, 169, 177, 236, 314, 338, 354, 471, 507, 628, 676, 708, 767, 942, 1014, 1534, 1884, 2028, 2041, 2301, 3068, 4082, 4602, 6123, 8164, 9204, 9263, 9971, 12246, 18526, 19942, 24492, 26533, 27789, 29913, 37052, 39884, 53066, 55578, 59826, 79599, 106132, 111156, 119652, 120419, 159198, 240838, 318396, 361257, 481676, 722514, 1445028, 1565447, 3130894, 4696341, 6261788, 9392682, 18785364]

約数ペア:

[(1, 18785364), (2, 9392682), (3, 6261788), (4, 4696341), (6, 3130894), (12, 1565447), (13, 1445028), (26, 722514), (39, 481676), (52, 361257), (59, 318396), (78, 240838), (118, 159198), (156, 120419), (157, 119652), (169, 111156), (177, 106132), (236, 79599), (314, 59826), (338, 55578), (354, 53066), (471, 39884), (507, 37052), (628, 29913), (676, 27789), (708, 26533), (767, 24492), (942, 19942), (1014, 18526), (1534, 12246), (1884, 9971), (2028, 9263), (2041, 9204), (2301, 8164), (3068, 6123), (4082, 4602)]